diff --git a/public/assets.zip b/public/assets.zip
index 7ff57db..bfbd777 100644
Binary files a/public/assets.zip and b/public/assets.zip differ
diff --git a/src/controllers/avatar.ts b/src/controllers/avatar.ts
index a4e5984..7256a47 100644
--- a/src/controllers/avatar.ts
+++ b/src/controllers/avatar.ts
@@ -81,11 +81,11 @@ export class AvatarController extends BaseController {
           if (fs.existsSync(hairSpritePath)) {
             // Resize hair sprite to match body dimensions
             const resizedHair = await sharp(hairSpritePath)
-                .resize(bodyMetadata.width, bodyMetadata.height, {
-                  fit: 'contain',
-                  background: { r: 0, g: 0, b: 0, alpha: 0 }
-                })
-                .toBuffer()
+              .resize(bodyMetadata.width, bodyMetadata.height, {
+                fit: 'contain',
+                background: { r: 0, g: 0, b: 0, alpha: 0 }
+              })
+              .toBuffer()
 
             avatar = avatar.composite([
               {
diff --git a/src/entities/base/sprite.ts b/src/entities/base/sprite.ts
index f490d20..874690a 100644
--- a/src/entities/base/sprite.ts
+++ b/src/entities/base/sprite.ts
@@ -14,11 +14,11 @@ export class BaseSprite extends BaseEntity {
   @OneToMany({ mappedBy: 'sprite', orphanRemoval: true })
   spriteActions = new Collection<SpriteAction>(this)
 
-  @Property()
-  width: number = 0
+  @Property({ nullable: true })
+  width: number | null = null
 
-  @Property()
-  height: number = 0
+  @Property({ nullable: true })
+  height: number | null = null
 
   @Property()
   createdAt = new Date()
@@ -53,7 +53,7 @@ export class BaseSprite extends BaseEntity {
     return this.spriteActions
   }
 
-  setWidth(width: number) {
+  setWidth(width: number | null) {
     this.width = width
     return this
   }
@@ -62,7 +62,7 @@ export class BaseSprite extends BaseEntity {
     return this.width
   }
 
-  setHeight(height: number) {
+  setHeight(height: number | null) {
     this.height = height
     return this
   }
diff --git a/src/events/gameMaster/assetManager/sprite/update.ts b/src/events/gameMaster/assetManager/sprite/update.ts
index 91a3936..b87d2aa 100644
--- a/src/events/gameMaster/assetManager/sprite/update.ts
+++ b/src/events/gameMaster/assetManager/sprite/update.ts
@@ -31,8 +31,8 @@ interface EffectiveDimensions {
 type Payload = {
   id: UUID
   name: string
-  width: number
-  height: number
+  width: number | null
+  height: number | null
   spriteActions: Array<{
     action: string
     sprites: SpriteImage[]
@@ -57,12 +57,17 @@ export default class SpriteUpdateEvent extends BaseEvent {
 
       await spriteRepository.getEntityManager().populate(sprite, ['spriteActions'])
 
-      // Update sprite in database
-      await sprite.setName(data.name).setWidth(data.width).setHeight(data.height).setUpdatedAt(new Date()).save()
+      // Update sprite in database with width/height if provided
+      await sprite
+        .setName(data.name)
+        .setWidth(data.width ?? sprite.getWidth())
+        .setHeight(data.height ?? sprite.getHeight())
+        .setUpdatedAt(new Date())
+        .save()
 
       // First verify all sprite sheets can be generated
       for (const actionData of data.spriteActions) {
-        if (!(await this.generateSpriteSheet(actionData.sprites, sprite.getId(), actionData.action))) {
+        if (!(await this.generateSpriteSheet(actionData.sprites, sprite.getId(), actionData.action, data.width ?? 0, data.height ?? 0))) {
           return callback(false)
         }
       }
@@ -80,24 +85,25 @@ export default class SpriteUpdateEvent extends BaseEvent {
         const imageData = await Promise.all(actionData.sprites.map((sprite) => this.processImage(sprite)))
         const effectiveDimensions = imageData.map((dimensions) => this.calculateEffectiveDimensions(dimensions))
 
-        // Calculate total height needed for the sprite sheet
-        const maxHeight = Math.max(...effectiveDimensions.map((d) => d.height))
+        // Calculate maximum dimensions
+        const maxWidth = data.width ?? Math.max(...effectiveDimensions.map((d) => d.width))
+        const maxHeight = data.height ?? Math.max(...effectiveDimensions.map((d) => d.height))
         const maxTop = Math.max(...effectiveDimensions.map((d) => d.top))
         const maxBottom = Math.max(...effectiveDimensions.map((d) => d.bottom))
-        const totalHeight = maxHeight + maxTop + maxBottom
+        const totalHeight = data.height ?? maxHeight + maxTop + maxBottom
 
         const spriteAction = new SpriteAction()
         spriteAction.setSprite(sprite)
         sprite.getSpriteActions().add(spriteAction)
 
         spriteAction
-            .setAction(actionData.action)
-            .setSprites(actionData.sprites)
-            .setOriginX(actionData.originX)
-            .setOriginY(actionData.originY)
-            .setFrameWidth(await this.calculateMaxWidth(actionData.sprites))
-            .setFrameHeight(totalHeight)
-            .setFrameRate(actionData.frameRate)
+          .setAction(actionData.action)
+          .setSprites(actionData.sprites)
+          .setOriginX(actionData.originX)
+          .setOriginY(actionData.originY)
+          .setFrameWidth(maxWidth)
+          .setFrameHeight(totalHeight)
+          .setFrameRate(actionData.frameRate)
 
         await spriteRepository.getEntityManager().persistAndFlush(spriteAction)
       }
@@ -109,7 +115,7 @@ export default class SpriteUpdateEvent extends BaseEvent {
     }
   }
 
-  private async generateSpriteSheet(sprites: SpriteImage[], spriteId: string, action: string): Promise<boolean> {
+  private async generateSpriteSheet(sprites: SpriteImage[], spriteId: string, action: string, containerWidth: number, containerHeight: number): Promise<boolean> {
     try {
       if (!sprites.length) return true
 
@@ -118,37 +124,56 @@ export default class SpriteUpdateEvent extends BaseEvent {
       const effectiveDimensions = imageData.map((dimensions) => this.calculateEffectiveDimensions(dimensions))
 
       // Calculate maximum dimensions
-      const maxWidth = Math.max(...effectiveDimensions.map((d) => d.width))
-      const maxHeight = Math.max(...effectiveDimensions.map((d) => d.height))
+      const maxWidth = containerWidth > 0 ? containerWidth : Math.max(...effectiveDimensions.map((d) => d.width))
+      const maxHeight = containerHeight > 0 ? containerHeight : Math.max(...effectiveDimensions.map((d) => d.height))
       const maxTop = Math.max(...effectiveDimensions.map((d) => d.top))
       const maxBottom = Math.max(...effectiveDimensions.map((d) => d.bottom))
 
       // Calculate total height needed
-      const totalHeight = maxHeight + maxTop + maxBottom
+      const totalHeight = containerHeight > 0 ? containerHeight : maxHeight + maxTop + maxBottom
 
       // Process images and create sprite sheet
       const processedImages = await Promise.all(
-          sprites.map(async (sprite, index) => {
-            const { width, height, offsetX, offsetY } = await this.processImage(sprite)
-            const uri = sprite.url.split(';base64,').pop()
-            if (!uri) throw new Error('Invalid base64 image')
-            const buffer = Buffer.from(uri, 'base64')
+        sprites.map(async (sprite) => {
+          const { width, height, offsetX, offsetY } = await this.processImage(sprite)
+          const uri = sprite.url.split(';base64,').pop()
+          if (!uri) throw new Error('Invalid base64 image')
+          const buffer = Buffer.from(uri, 'base64')
 
-            // Create individual frame
-            const left = offsetX >= 0 ? offsetX : 0
-            const verticalOffset = totalHeight - height - (offsetY >= 0 ? offsetY : 0)
-            return sharp({
-              create: {
-                width: maxWidth,
-                height: totalHeight,
-                channels: 4,
-                background: { r: 0, g: 0, b: 0, alpha: 0 }
-              }
-            })
-                .composite([{ input: buffer, left, top: verticalOffset }])
-                .png()
-                .toBuffer()
+          // Calculate position based on container or offset
+          // If container dimensions are set, position at top center
+          const left = containerWidth > 0 ? Math.floor((maxWidth - width) / 2) : offsetX >= 0 ? offsetX : 0
+
+          const top =
+            containerHeight > 0
+              ? 0 // Place at top when container dimensions are set
+              : totalHeight - height - (offsetY >= 0 ? offsetY : 0)
+
+          return sharp({
+            create: {
+              width: maxWidth,
+              height: totalHeight,
+              channels: 4,
+              background: { r: 0, g: 0, b: 0, alpha: 0 }
+            }
           })
+            .composite([
+              {
+                input: buffer,
+                left,
+                top,
+                ...(containerWidth > 0 || containerHeight > 0
+                  ? {
+                      width: containerWidth || undefined,
+                      height: containerHeight || undefined,
+                      fit: 'contain'
+                    }
+                  : {})
+              }
+            ])
+            .png()
+            .toBuffer()
+        })
       )
 
       // Combine frames into sprite sheet
@@ -160,15 +185,15 @@ export default class SpriteUpdateEvent extends BaseEvent {
           background: { r: 0, g: 0, b: 0, alpha: 0 }
         }
       })
-          .composite(
-              processedImages.map((buffer, index) => ({
-                input: buffer,
-                left: index * maxWidth,
-                top: 0
-              }))
-          )
-          .png()
-          .toBuffer()
+        .composite(
+          processedImages.map((buffer, index) => ({
+            input: buffer,
+            left: index * maxWidth,
+            top: 0
+          }))
+        )
+        .png()
+        .toBuffer()
 
       // Ensure directory exists
       const dir = `public/sprites/${spriteId}`
diff --git a/src/migrations/.snapshot-game.json b/src/migrations/.snapshot-game.json
index 4c2a3c9..77e5b6e 100644
--- a/src/migrations/.snapshot-game.json
+++ b/src/migrations/.snapshot-game.json
@@ -745,9 +745,8 @@
           "unsigned": false,
           "autoincrement": false,
           "primary": false,
-          "nullable": false,
+          "nullable": true,
           "length": null,
-          "default": "0",
           "mappedType": "integer"
         },
         "height": {
@@ -756,9 +755,8 @@
           "unsigned": false,
           "autoincrement": false,
           "primary": false,
-          "nullable": false,
+          "nullable": true,
           "length": null,
-          "default": "0",
           "mappedType": "integer"
         },
         "created_at": {
diff --git a/src/migrations/Migration20250219234315.ts b/src/migrations/Migration20250221004940.ts
similarity index 98%
rename from src/migrations/Migration20250219234315.ts
rename to src/migrations/Migration20250221004940.ts
index 6a787fe..9b33416 100644
--- a/src/migrations/Migration20250219234315.ts
+++ b/src/migrations/Migration20250221004940.ts
@@ -1,6 +1,6 @@
 import { Migration } from '@mikro-orm/migrations';
 
-export class Migration20250219234315 extends Migration {
+export class Migration20250221004940 extends Migration {
 
   override async up(): Promise<void> {
     this.addSql(`create table \`map\` (\`id\` varchar(255) not null, \`name\` varchar(255) not null default '', \`width\` int not null default 10, \`height\` int not null default 10, \`tiles\` json not null, \`pvp\` tinyint(1) not null default false, \`created_at\` datetime not null, \`updated_at\` datetime not null, primary key (\`id\`)) default character set utf8mb4 engine = InnoDB;`);
@@ -22,7 +22,7 @@ export class Migration20250219234315 extends Migration {
     this.addSql(`alter table \`placed_map_object\` add index \`placed_map_object_map_id_index\`(\`map_id\`);`);
     this.addSql(`alter table \`placed_map_object\` add index \`placed_map_object_map_object_id_index\`(\`map_object_id\`);`);
 
-    this.addSql(`create table \`sprite\` (\`id\` varchar(255) not null, \`name\` varchar(255) not null, \`width\` int not null default 0, \`height\` int not null default 0, \`created_at\` datetime not null, \`updated_at\` datetime not null, primary key (\`id\`)) default character set utf8mb4 engine = InnoDB;`);
+    this.addSql(`create table \`sprite\` (\`id\` varchar(255) not null, \`name\` varchar(255) not null, \`width\` int null, \`height\` int null, \`created_at\` datetime not null, \`updated_at\` datetime not null, primary key (\`id\`)) default character set utf8mb4 engine = InnoDB;`);
 
     this.addSql(`create table \`item\` (\`id\` varchar(255) not null, \`name\` varchar(255) not null, \`description\` varchar(255) not null default '', \`item_type\` enum('WEAPON', 'HELMET', 'CHEST', 'LEGS', 'BOOTS', 'GLOVES', 'RING', 'NECKLACE') not null, \`stackable\` tinyint(1) not null default false, \`rarity\` enum('COMMON', 'UNCOMMON', 'RARE', 'EPIC', 'LEGENDARY') not null default 'COMMON', \`sprite_id\` varchar(255) not null, \`created_at\` datetime not null, \`updated_at\` datetime not null, primary key (\`id\`)) default character set utf8mb4 engine = InnoDB;`);
     this.addSql(`alter table \`item\` add index \`item_sprite_id_index\`(\`sprite_id\`);`);