diff --git a/.gitignore b/.gitignore
index 8453c2e..b9992e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -370,3 +370,4 @@ FodyWeavers.xsd
 *.rar
 /Lua_Script
 /.note
+/Snowbreak_Data
diff --git a/Common/Data/Excel/BreakLevelLimitExcel.cs b/Common/Data/Excel/BreakLevelLimitExcel.cs
new file mode 100644
index 0000000..4278407
--- /dev/null
+++ b/Common/Data/Excel/BreakLevelLimitExcel.cs
@@ -0,0 +1,24 @@
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("break_level_limit.json")]
+public class BreakLevelLimitExcel : ExcelResource
+{
+    public int ID { get; set; }
+    public uint Break0 { get; set; }
+    public uint Break1 { get; set; }
+    public uint Break2 { get; set; }
+    public uint Break3 { get; set; }
+    public uint Break4 { get; set; }
+    public uint Break5 { get; set; }
+    public uint Break6 { get; set; }
+
+    public override uint GetId()
+    {
+        return (uint)ID;
+    }
+
+    public override void Loaded()
+    {
+        GameData.BreakLevelLimitData[ID] = this;
+    }
+}
diff --git a/Common/Data/Excel/RecycleExcel.cs b/Common/Data/Excel/RecycleExcel.cs
new file mode 100644
index 0000000..dbb665e
--- /dev/null
+++ b/Common/Data/Excel/RecycleExcel.cs
@@ -0,0 +1,21 @@
+using Newtonsoft.Json.Linq;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("recycle.json")]
+public class RecycleExcel : ExcelResource
+{
+    public int ID { get; set; }
+    public JToken? RecycleBase { get; set; }
+    public JToken? RecycleRatio { get; set; }
+
+    public override uint GetId()
+    {
+        return (uint)ID;
+    }
+
+    public override void Loaded()
+    {
+        GameData.RecycleData[ID] = this;
+    }
+}
diff --git a/Common/Data/Excel/SuppliesExcel.cs b/Common/Data/Excel/SuppliesExcel.cs
new file mode 100644
index 0000000..00bb32e
--- /dev/null
+++ b/Common/Data/Excel/SuppliesExcel.cs
@@ -0,0 +1,52 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("suplies.json")]
+public class SuppliesExcel : ExcelResource
+{
+    public uint Genre { get; set; }
+    public uint Detail { get; set; }
+    public uint Particular { get; set; }
+    public uint Level { get; set; }
+    [JsonProperty("Color")] public JToken? ColorRaw { get; set; }
+    [JsonProperty("ProvideExp")] public JToken? ProvideExpRaw { get; set; }
+    [JsonProperty("ConsumeGold")] public JToken? ConsumeGoldRaw { get; set; }
+
+    [JsonIgnore] public int Color => ReadInt(ColorRaw);
+    [JsonIgnore] public uint ProvideExp => ReadUInt(ProvideExpRaw);
+    [JsonIgnore] public uint ConsumeGold => ReadUInt(ConsumeGoldRaw);
+
+    public override uint GetId()
+    {
+        return (uint)GameResourceTemplateId.FromGdpl(Genre, Detail, Particular, Level);
+    }
+
+    public override void Loaded()
+    {
+        GameData.SuppliesData[GetId()] = this;
+    }
+
+    private static int ReadInt(JToken? token)
+    {
+        if (token == null)
+        {
+            return 0;
+        }
+
+        return token.Type switch
+        {
+            JTokenType.Integer => token.Value<int>(),
+            JTokenType.Float => (int)token.Value<decimal>(),
+            JTokenType.String when int.TryParse(token.Value<string>(), out var value) => value,
+            _ => 0
+        };
+    }
+
+    private static uint ReadUInt(JToken? token)
+    {
+        var value = ReadInt(token);
+        return value > 0 ? (uint)value : 0;
+    }
+}
diff --git a/Common/Data/Excel/UpgradeExpExcel.cs b/Common/Data/Excel/UpgradeExpExcel.cs
new file mode 100644
index 0000000..4288a6a
--- /dev/null
+++ b/Common/Data/Excel/UpgradeExpExcel.cs
@@ -0,0 +1,49 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("upgrade_exp.json")]
+public class UpgradeExpExcel : ExcelResource
+{
+    public int Lv { get; set; }
+    [JsonProperty("CardNeedExp")] public JToken? CardNeedExpRaw { get; set; }
+    [JsonProperty("SSRCardNeedExp")] public JToken? SsrCardNeedExpRaw { get; set; }
+    [JsonProperty("SusNeedExp")] public JToken? SusNeedExpRaw { get; set; }
+    [JsonProperty("SSRSusNeedExp")] public JToken? SsrSusNeedExpRaw { get; set; }
+    [JsonProperty("WeaponNeedExp")] public JToken? WeaponNeedExpRaw { get; set; }
+    [JsonProperty("SSRWeaponNeedExp")] public JToken? SsrWeaponNeedExpRaw { get; set; }
+
+    [JsonIgnore] public uint CardNeedExp => ReadUInt(CardNeedExpRaw);
+    [JsonIgnore] public uint SSRCardNeedExp => ReadUInt(SsrCardNeedExpRaw);
+    [JsonIgnore] public uint SusNeedExp => ReadUInt(SusNeedExpRaw);
+    [JsonIgnore] public uint SSRSusNeedExp => ReadUInt(SsrSusNeedExpRaw);
+    [JsonIgnore] public uint WeaponNeedExp => ReadUInt(WeaponNeedExpRaw);
+    [JsonIgnore] public uint SSRWeaponNeedExp => ReadUInt(SsrWeaponNeedExpRaw);
+
+    public override uint GetId()
+    {
+        return (uint)Lv;
+    }
+
+    public override void Loaded()
+    {
+        GameData.UpgradeExpData[Lv] = this;
+    }
+
+    private static uint ReadUInt(JToken? token)
+    {
+        if (token == null)
+        {
+            return 0;
+        }
+
+        return token.Type switch
+        {
+            JTokenType.Integer => token.Value<uint>(),
+            JTokenType.Float => (uint)Math.Max(0, token.Value<decimal>()),
+            JTokenType.String when uint.TryParse(token.Value<string>(), out var value) => value,
+            _ => 0
+        };
+    }
+}
diff --git a/Common/Data/Excel/WeaponExcel.cs b/Common/Data/Excel/WeaponExcel.cs
index f9d2113..2c6b393 100644
--- a/Common/Data/Excel/WeaponExcel.cs
+++ b/Common/Data/Excel/WeaponExcel.cs
@@ -1,4 +1,7 @@
-namespace MikuSB.Data.Excel;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace MikuSB.Data.Excel;
 
 [ResourceEntity("weapon.json")]
 public class WeaponExcel : ExcelResource
@@ -7,8 +10,13 @@ public class WeaponExcel : ExcelResource
     public uint Detail { get; set; }
     public uint Particular { get; set; }
     public uint Level { get; set; }
+    [JsonProperty("Color")] public JToken? ColorRaw { get; set; }
+    [JsonProperty("InitBreak")] public JToken? InitBreakRaw { get; set; }
     public int Class { get; set; }
     public uint Icon { get; set; }
+    [JsonProperty("ProvideExp")] public JToken? ProvideExpRaw { get; set; }
+    [JsonProperty("ConsumeGold")] public JToken? ConsumeGoldRaw { get; set; }
+    [JsonProperty("RecycleID")] public JToken? RecycleIdRaw { get; set; }
     public int EvolutionMatID { get; set; }
     public int BreakMatID { get; set; }
     public int LevelLimitID { get; set; }
@@ -17,6 +25,13 @@ public class WeaponExcel : ExcelResource
     public List<int> DefaultSkillID { get; set; } = [];
     public List<int> WeaponPartsLimit { get; set; } = [];
     public string I18n { get; set; } = "";
+
+    [JsonIgnore] public int Color => ReadInt(ColorRaw);
+    [JsonIgnore] public uint InitBreak => ReadUInt(InitBreakRaw);
+    [JsonIgnore] public uint ProvideExp => ReadUInt(ProvideExpRaw);
+    [JsonIgnore] public uint ConsumeGold => ReadUInt(ConsumeGoldRaw);
+    [JsonIgnore] public int RecycleID => ReadInt(RecycleIdRaw);
+
     public override uint GetId()
     {
         return (uint)I18n.GetHashCode();
@@ -26,4 +41,26 @@ public class WeaponExcel : ExcelResource
     {
         GameData.WeaponData.Add(GetId(), this);
     }
-}
\ No newline at end of file
+
+    private static int ReadInt(JToken? token)
+    {
+        if (token == null)
+        {
+            return 0;
+        }
+
+        return token.Type switch
+        {
+            JTokenType.Integer => token.Value<int>(),
+            JTokenType.Float => (int)token.Value<decimal>(),
+            JTokenType.String when int.TryParse(token.Value<string>(), out var value) => value,
+            _ => 0
+        };
+    }
+
+    private static uint ReadUInt(JToken? token)
+    {
+        var value = ReadInt(token);
+        return value > 0 ? (uint)value : 0;
+    }
+}
diff --git a/Common/Data/GameData.cs b/Common/Data/GameData.cs
index 4adf8b4..b225e9b 100644
--- a/Common/Data/GameData.cs
+++ b/Common/Data/GameData.cs
@@ -7,6 +7,10 @@ public static class GameData
     public static Dictionary<uint, CardExcel> CardData { get; private set; } = [];
     public static Dictionary<uint, WeaponExcel> WeaponData { get; private set; } = [];
     public static Dictionary<uint, CardSkinExcel> CardSkinData { get; private set; } = [];
+    public static Dictionary<uint, SuppliesExcel> SuppliesData { get; private set; } = [];
+    public static Dictionary<int, UpgradeExpExcel> UpgradeExpData { get; private set; } = [];
+    public static Dictionary<int, BreakLevelLimitExcel> BreakLevelLimitData { get; private set; } = [];
+    public static Dictionary<int, RecycleExcel> RecycleData { get; private set; } = [];
 }
 
 public static class GameResourceTemplateId
diff --git a/Common/Database/Inventory/InventoryData.cs b/Common/Database/Inventory/InventoryData.cs
index 1cdb01d..a3f847d 100644
--- a/Common/Database/Inventory/InventoryData.cs
+++ b/Common/Database/Inventory/InventoryData.cs
@@ -23,6 +23,16 @@ public abstract class BaseGameItemInfo
     public uint UniqueId { get; set; }
     public ulong TemplateId { get; set; }
     public uint ItemCount { get; set; }
+
+    public virtual Item ToProto()
+    {
+        return new Item
+        {
+            Id = UniqueId,
+            Template = TemplateId,
+            Count = ItemCount
+        };
+    }
 }
 
 public abstract class GrowableItemInfo : BaseGameItemInfo
@@ -30,12 +40,13 @@ public abstract class GrowableItemInfo : BaseGameItemInfo
     public bool IsLocked { get; set; }
     public uint Level { get; set; }
     public uint Exp { get; set; }
+    public uint Break { get; set; }
     public uint EquipAvatarId { get; set; }
 }
 
 public class GameWeaponInfo : GrowableItemInfo
 {
-    public Item ToProto()
+    public override Item ToProto()
     {
         var proto = new Item
         {
@@ -44,17 +55,17 @@ public class GameWeaponInfo : GrowableItemInfo
             Count = ItemCount,
             Enhance = new Enhance
             {
-                Level = Level
+                Level = Level,
+                Exp = Exp,
+                Break = Break
             }
         };
         return proto;
     }
-}
-
-public class GameSkinInfo : BaseGameItemInfo
+}public class GameSkinInfo : BaseGameItemInfo
 {
     public uint Level { get; set; }
-    public Item ToProto()
+    public override Item ToProto()
     {
         var proto = new Item
         {
diff --git a/GameServer/Game/Character/CharacterManager.cs b/GameServer/Game/Character/CharacterManager.cs
index 2edd9f6..f1677fa 100644
--- a/GameServer/Game/Character/CharacterManager.cs
+++ b/GameServer/Game/Character/CharacterManager.cs
@@ -57,4 +57,59 @@ public class CharacterManager(PlayerInstance player) : BasePlayerManager(player)
         var templateId = GameResourceTemplateId.FromGdpl((uint)genre,(uint)detail,(uint)particular,1);
         return CharacterData.Characters.Find(Character => Character.TemplateId == templateId);
     }
-}
\ No newline at end of file
+
+    public async ValueTask RepairCharacterWeapons()
+    {
+        var changed = false;
+        var equippedWeaponIds = new HashSet<uint>();
+
+        foreach (var character in CharacterData.Characters)
+        {
+            var weapon = Player.InventoryManager.GetWeaponItem(character.WeaponUniqueId);
+            if (weapon == null)
+            {
+                var cardData = GameData.CardData.Values.FirstOrDefault(x =>
+                    GameResourceTemplateId.FromGdpl(x.Genre, x.Detail, x.Particular, x.Level) == character.TemplateId);
+                if (cardData?.DefaultWeaponGPDL.Count >= 4)
+                {
+                    weapon = await Player.InventoryManager.AddWeaponItem(
+                        (ItemTypeEnum)cardData.DefaultWeaponGPDL[0],
+                        cardData.DefaultWeaponGPDL[1],
+                        cardData.DefaultWeaponGPDL[2],
+                        cardData.DefaultWeaponGPDL[3]);
+                    if (weapon != null)
+                    {
+                        character.WeaponUniqueId = weapon.UniqueId;
+                        changed = true;
+                    }
+                }
+            }
+
+            if (weapon == null)
+                continue;
+
+            if (weapon.EquipAvatarId != character.Guid)
+            {
+                weapon.EquipAvatarId = character.Guid;
+                changed = true;
+            }
+
+            equippedWeaponIds.Add(weapon.UniqueId);
+        }
+
+        foreach (var weapon in Player.InventoryManager.InventoryData.Weapons.Values)
+        {
+            if (!equippedWeaponIds.Contains(weapon.UniqueId) && weapon.EquipAvatarId != 0)
+            {
+                weapon.EquipAvatarId = 0;
+                changed = true;
+            }
+        }
+
+        if (!changed)
+            return;
+
+        DatabaseHelper.SaveDatabaseType(CharacterData);
+        DatabaseHelper.SaveDatabaseType(Player.InventoryManager.InventoryData);
+    }
+}
diff --git a/GameServer/Game/Inventory/InventoryManager.cs b/GameServer/Game/Inventory/InventoryManager.cs
index 0d66a6e..ebb8c1b 100644
--- a/GameServer/Game/Inventory/InventoryManager.cs
+++ b/GameServer/Game/Inventory/InventoryManager.cs
@@ -22,6 +22,7 @@ public class InventoryManager(PlayerInstance player) : BasePlayerManager(player)
             TemplateId = templateId,
             UniqueId = InventoryData.NextUniqueUid++,
             Level = level,
+            Break = weaponData.InitBreak,
             ItemCount = 1
         };
         InventoryData.Weapons[weaponInfo.UniqueId] = weaponInfo;
diff --git a/GameServer/Game/Player/PlayerInstance.cs b/GameServer/Game/Player/PlayerInstance.cs
index 21e7975..e644130 100644
--- a/GameServer/Game/Player/PlayerInstance.cs
+++ b/GameServer/Game/Player/PlayerInstance.cs
@@ -111,6 +111,7 @@ public class PlayerInstance(PlayerGameData data)
     public async ValueTask OnEnterGame()
     {
         if (!Initialized) await InitialPlayerManager();
+        await CharacterManager.RepairCharacterWeapons();
     }
 
     public async ValueTask OnLogin()
@@ -218,6 +219,11 @@ public class PlayerInstance(PlayerGameData data)
         yield return (178, 1, 1_700_000_000);
         yield return (187, 1, 2);
 
+        // Cash.GetMoneyCount uses group 1 with sid = moneyId * 2 + 1 for most currencies.
+        // Fill a wide currency id range so every in-game currency starts effectively unlimited.
+        for (uint moneyId = 1; moneyId <= 200; moneyId++)
+            yield return (1, moneyId * 2 + 1, 999_999_999);
+
         for (uint guideId = 1; guideId <= 150; guideId++)
             yield return (4, guideId, 999);
 
diff --git a/GameServer/Server/CallGS/Handlers/Weapon/Weapon_Upgrade.cs b/GameServer/Server/CallGS/Handlers/Weapon/Weapon_Upgrade.cs
new file mode 100644
index 0000000..abfde95
--- /dev/null
+++ b/GameServer/Server/CallGS/Handlers/Weapon/Weapon_Upgrade.cs
@@ -0,0 +1,384 @@
+using MikuSB.Data;
+using MikuSB.Data.Excel;
+using MikuSB.Database;
+using MikuSB.Database.Inventory;
+using MikuSB.Proto;
+using Newtonsoft.Json.Linq;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Weapon;
+
+[CallGSApi("Weapon_Upgrade")]
+public class Weapon_Upgrade : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        var player = connection.Player!;
+        var req = JsonSerializer.Deserialize<WeaponUpgradeParam>(param);
+        if (req == null || req.Id <= 0 || req.TbMat == null || req.TbMat.Count == 0)
+        {
+            await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"tip.material_not_enough\"}");
+            return;
+        }
+
+        var targetWeapon = player.InventoryManager.GetWeaponItem((uint)req.Id);
+        if (targetWeapon == null)
+        {
+            await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"tip.material_not_enough\"}");
+            return;
+        }
+
+        var config = WeaponUpgradeConfig.Load();
+        if (!config.TryGetWeaponTemplate(targetWeapon.TemplateId, out var targetTemplate))
+        {
+            await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"error.BadParam\"}");
+            return;
+        }
+
+        var requestedMaterials = new Dictionary<uint, uint>();
+        foreach (var row in req.TbMat)
+        {
+            if (row == null || row.Count < 2) continue;
+            var itemId = (uint)Math.Max(0, row[0]);
+            var count = (uint)Math.Max(0, row[1]);
+            if (itemId == 0 || count == 0) continue;
+            requestedMaterials[itemId] = requestedMaterials.GetValueOrDefault(itemId) + count;
+        }
+
+        if (requestedMaterials.Count == 0)
+        {
+            await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"tip.material_not_enough\"}");
+            return;
+        }
+
+        ulong totalExp = 0;
+        var syncItems = new List<Item>();
+        var equippedWeaponIds = player.CharacterManager.CharacterData.Characters
+            .Select(x => x.WeaponUniqueId)
+            .Where(x => x != 0)
+            .ToHashSet();
+
+        foreach (var (itemId, count) in requestedMaterials)
+        {
+            if (itemId == targetWeapon.UniqueId)
+            {
+                await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"tip.material_not_enough\"}");
+                return;
+            }
+
+            var material = FindInventoryItem(player.InventoryManager.InventoryData, itemId);
+            if (material == null || material.ItemCount < count)
+            {
+                await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"tip.material_not_enough\"}");
+                return;
+            }
+
+            if (material is GameWeaponInfo materialWeapon &&
+                (materialWeapon.EquipAvatarId != 0 || equippedWeaponIds.Contains(materialWeapon.UniqueId)))
+            {
+                await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"tip.material_not_enough\"}");
+                return;
+            }
+
+            if (!TryGetMaterialGain(config, material, out var gainExp))
+            {
+                await CallGSRouter.SendScript(connection, "Weapon_Upgrade", "{\"sErr\":\"error.BadParam\"}");
+                return;
+            }
+
+            totalExp += gainExp * count;
+        }
+
+        foreach (var (itemId, count) in requestedMaterials)
+        {
+            var material = FindInventoryItem(player.InventoryManager.InventoryData, itemId)!;
+            material.ItemCount -= count;
+
+            if (material.ItemCount == 0)
+            {
+                RemoveInventoryItem(player.InventoryManager.InventoryData, itemId);
+                syncItems.Add(BuildRemovedProto(material));
+            }
+            else
+            {
+                syncItems.Add(material.ToProto());
+            }
+        }
+
+        var maxLevel = config.GetWeaponMaxLevel(targetTemplate.BreakLimitId, targetWeapon.Break);
+        var oldLevel = targetWeapon.Level == 0 ? 1u : targetWeapon.Level;
+        targetWeapon.Level = oldLevel;
+        var (newLevel, newExp) = config.ApplyWeaponExp(targetWeapon.Level, targetWeapon.Exp, totalExp, targetTemplate.Color, maxLevel);
+        targetWeapon.Level = newLevel;
+        targetWeapon.Exp = newExp;
+
+        syncItems.Add(targetWeapon.ToProto());
+
+        DatabaseHelper.SaveDatabaseType(player.InventoryManager.InventoryData);
+
+        var sync = new NtfSyncPlayer();
+        sync.Items.AddRange(syncItems);
+
+        var bMaxUnlock = maxLevel > 0 && targetWeapon.Level >= maxLevel;
+        var arg = $"{{\"bMaxUnLock\":{(bMaxUnlock ? "true" : "false")}}}";
+        await CallGSRouter.SendScript(connection, "Weapon_Upgrade", arg, sync);
+    }
+
+    private static BaseGameItemInfo? FindInventoryItem(InventoryData inventory, uint itemId)
+    {
+        if (inventory.Weapons.TryGetValue(itemId, out var weapon))
+        {
+            return weapon;
+        }
+
+        if (inventory.Skins.TryGetValue(itemId, out var skin))
+        {
+            return skin;
+        }
+
+        if (inventory.Items.TryGetValue(itemId, out var item))
+        {
+            return item;
+        }
+
+        return null;
+    }
+
+    private static void RemoveInventoryItem(InventoryData inventory, uint itemId)
+    {
+        inventory.Weapons.Remove(itemId);
+        inventory.Skins.Remove(itemId);
+        inventory.Items.Remove(itemId);
+    }
+
+    private static Item BuildRemovedProto(BaseGameItemInfo item)
+    {
+        var proto = item.ToProto();
+        proto.Count = 0;
+        return proto;
+    }
+
+    private static bool TryGetMaterialGain(WeaponUpgradeConfig config, BaseGameItemInfo item, out ulong exp)
+    {
+        exp = 0;
+        if (config.TryGetWeaponTemplate(item.TemplateId, out var weaponTemplate))
+        {
+            exp = weaponTemplate.ProvideExp;
+            if (item is GameWeaponInfo weapon && weapon.Level > 1)
+            {
+                exp += config.GetWeaponRecycleExp(weaponTemplate, weapon.Level);
+            }
+
+            return true;
+        }
+
+        if (config.TryGetSuppliesTemplate(item.TemplateId, out var suppliesTemplate))
+        {
+            exp = suppliesTemplate.ProvideExp;
+            return true;
+        }
+
+        return false;
+    }
+}
+
+internal sealed class WeaponUpgradeParam
+{
+    [JsonPropertyName("Id")]
+    public int Id { get; set; }
+
+    [JsonPropertyName("tbMat")]
+    public List<List<int>> TbMat { get; set; } = [];
+}
+
+internal sealed class WeaponUpgradeConfig
+{
+    private readonly Dictionary<int, uint> _weaponNeedExpNormal;
+    private readonly Dictionary<int, uint> _weaponNeedExpSsr;
+    private readonly Dictionary<int, uint[]> _breakLimits;
+    private readonly Dictionary<int, RecycleEntry> _recycleById;
+    private readonly Dictionary<ulong, MaterialTemplate> _weaponTemplates;
+    private readonly Dictionary<ulong, MaterialTemplate> _suppliesTemplates;
+    private readonly Dictionary<int, ulong> _weaponRecycleExpNormal = [];
+    private readonly Dictionary<int, ulong> _weaponRecycleExpSsr = [];
+
+    public WeaponUpgradeConfig(
+        Dictionary<int, uint> weaponNeedExpNormal,
+        Dictionary<int, uint> weaponNeedExpSsr,
+        Dictionary<int, uint[]> breakLimits,
+        Dictionary<int, RecycleEntry> recycleById,
+        Dictionary<ulong, MaterialTemplate> weaponTemplates,
+        Dictionary<ulong, MaterialTemplate> suppliesTemplates)
+    {
+        _weaponNeedExpNormal = weaponNeedExpNormal;
+        _weaponNeedExpSsr = weaponNeedExpSsr;
+        _breakLimits = breakLimits;
+        _recycleById = recycleById;
+        _weaponTemplates = weaponTemplates;
+        _suppliesTemplates = suppliesTemplates;
+
+        BuildRecycleExpTable(_weaponNeedExpNormal, _weaponRecycleExpNormal);
+        BuildRecycleExpTable(_weaponNeedExpSsr, _weaponRecycleExpSsr);
+    }
+
+    public static WeaponUpgradeConfig Load()
+    {
+        var normalExp = new Dictionary<int, uint>();
+        var ssrExp = new Dictionary<int, uint>();
+        foreach (var row in GameData.UpgradeExpData.Values)
+        {
+            normalExp[row.Lv] = row.WeaponNeedExp;
+            ssrExp[row.Lv] = row.SSRWeaponNeedExp;
+        }
+
+        var breakLimits = new Dictionary<int, uint[]>();
+        foreach (var row in GameData.BreakLevelLimitData.Values)
+        {
+            breakLimits[row.ID] =
+            [
+                row.Break0,
+                row.Break1,
+                row.Break2,
+                row.Break3,
+                row.Break4,
+                row.Break5,
+                row.Break6
+            ];
+        }
+
+        var recycleById = new Dictionary<int, RecycleEntry>();
+        foreach (var row in GameData.RecycleData.Values)
+        {
+            recycleById[row.ID] = new RecycleEntry(
+                GetUIntFlexible(row.RecycleBase),
+                GetDecimalFlexible(row.RecycleRatio));
+        }
+
+        var weaponTemplates = GameData.WeaponData.Values.ToDictionary(
+            x => GameResourceTemplateId.FromGdpl(x.Genre, x.Detail, x.Particular, x.Level),
+            x => new MaterialTemplate(x.Color, x.ProvideExp, x.ConsumeGold, x.RecycleID, x.BreakLimitID));
+        var suppliesTemplates = GameData.SuppliesData.Values.ToDictionary(
+            x => GameResourceTemplateId.FromGdpl(x.Genre, x.Detail, x.Particular, x.Level),
+            x => new MaterialTemplate(x.Color, x.ProvideExp, x.ConsumeGold, 0, 0));
+
+        return new WeaponUpgradeConfig(normalExp, ssrExp, breakLimits, recycleById, weaponTemplates, suppliesTemplates);
+    }
+
+    public bool TryGetWeaponTemplate(ulong templateId, out MaterialTemplate template) =>
+        _weaponTemplates.TryGetValue(templateId, out template!);
+
+    public bool TryGetSuppliesTemplate(ulong templateId, out MaterialTemplate template) =>
+        _suppliesTemplates.TryGetValue(templateId, out template!);
+
+    public ulong GetWeaponRecycleExp(MaterialTemplate template, uint level)
+    {
+        if (template.RecycleId <= 0 || !_recycleById.TryGetValue(template.RecycleId, out var recycle))
+        {
+            return 0;
+        }
+
+        var levelExp = template.Color == 5 ? _weaponRecycleExpSsr : _weaponRecycleExpNormal;
+        var baseExp = levelExp.GetValueOrDefault((int)level);
+        return (ulong)Math.Floor((recycle.RecycleBase + baseExp) * recycle.RecycleRatio);
+    }
+
+    public uint GetWeaponMaxLevel(int breakLimitId, uint currentBreak)
+    {
+        if (!_breakLimits.TryGetValue(breakLimitId, out var limits) || limits.Length == 0)
+        {
+            return 0;
+        }
+
+        var index = (int)Math.Min(currentBreak, (uint)(limits.Length - 1));
+        return limits[index];
+    }
+
+    public (uint Level, uint Exp) ApplyWeaponExp(uint level, uint exp, ulong addExp, int color, uint maxLevel)
+    {
+        if (addExp == 0)
+        {
+            return (level, exp);
+        }
+
+        if (maxLevel > 0 && level >= maxLevel)
+        {
+            return (maxLevel, checked((uint)(exp + addExp)));
+        }
+
+        var destLevel = level;
+        var destExp = exp + addExp;
+        var needExp = GetWeaponNeedExp(color, destLevel);
+
+        while (needExp > 0 && destExp >= needExp)
+        {
+            destExp -= needExp;
+            destLevel++;
+
+            if (maxLevel > 0 && destLevel >= maxLevel)
+            {
+                return (maxLevel, checked((uint)destExp));
+            }
+
+            needExp = GetWeaponNeedExp(color, destLevel);
+            if (needExp == 0)
+            {
+                return (destLevel, checked((uint)destExp));
+            }
+        }
+
+        return (destLevel, checked((uint)destExp));
+    }
+
+    private uint GetWeaponNeedExp(int color, uint level)
+    {
+        return color == 5
+            ? _weaponNeedExpSsr.GetValueOrDefault((int)level)
+            : _weaponNeedExpNormal.GetValueOrDefault((int)level);
+    }
+
+    private static void BuildRecycleExpTable(Dictionary<int, uint> needExp, Dictionary<int, ulong> recycleExp)
+    {
+        ulong current = 0;
+        foreach (var level in needExp.Keys.OrderBy(x => x))
+        {
+            recycleExp[level] = current;
+            current += needExp[level];
+        }
+    }
+
+    private static uint GetUIntFlexible(JToken? token)
+    {
+        if (token == null)
+        {
+            return 0;
+        }
+
+        return token.Type switch
+        {
+            JTokenType.Integer => token.Value<uint>(),
+            JTokenType.Float => (uint)Math.Max(0, token.Value<decimal>()),
+            JTokenType.String when uint.TryParse(token.Value<string>(), out var result) => result,
+            _ => 0
+        };
+    }
+
+    private static decimal GetDecimalFlexible(JToken? token)
+    {
+        if (token == null)
+        {
+            return 0m;
+        }
+
+        return token.Type switch
+        {
+            JTokenType.Integer => token.Value<decimal>(),
+            JTokenType.Float => token.Value<decimal>(),
+            JTokenType.String when decimal.TryParse(token.Value<string>(), out var result) => result,
+            _ => 0m
+        };
+    }
+}
+
+internal readonly record struct MaterialTemplate(int Color, uint ProvideExp, uint ConsumeGold, int RecycleId, int BreakLimitId);
+internal readonly record struct RecycleEntry(uint RecycleBase, decimal RecycleRatio);