diff --git a/src/data/arena-tag.ts b/src/data/arena-tag.ts
index 8942cfe4b..501b87a84 100644
--- a/src/data/arena-tag.ts
+++ b/src/data/arena-tag.ts
@@ -54,6 +54,18 @@ export abstract class ArenaTag {
       ? allMoves[this.sourceMove].name
       : null;
   }
+
+  /**
+  * When given an arena tag or json representing one, load the data for it.
+  * This is meant to be inherited from by any arena tag with custom attributes
+  * @param {ArenaTag | any} source An arena tag, or json representing one
+  */
+  loadTag(source: ArenaTag | any): void {
+    this.turnCount = source.turnCount;
+    this.sourceMove = source.sourceMove;
+    this.sourceId = source.sourceId;
+    this.side = source.side;
+  }
 }
 
 export class MistTag extends ArenaTag {
@@ -169,6 +181,17 @@ class WishTag extends ArenaTag {
       arena.scene.unshiftPhase(new PokemonHealPhase(target.scene, target.getBattlerIndex(), this.healHp, null, true, false));
     }
   }
+
+  /**
+  * Given a WishTag or json representing one, load the data for it.
+  * @param {WishTag | any} source A WishTag
+  */
+  loadTag(source: WishTag | any): void {
+    super.loadTag(source);
+    this.battlerIndex = source.battlerIndex as BattlerIndex;
+    this.triggerMessage = source.triggerMessage;
+    this.healHp = source.healHp;
+  }
 }
 
 export class WeakenMoveTypeTag extends ArenaTag {
@@ -188,6 +211,15 @@ export class WeakenMoveTypeTag extends ArenaTag {
 
     return false;
   }
+
+  /**
+  * Given a WeakenMoveTypeTag or json representing one, load the data for it.
+  * @param {WeakenMoveTypeTag | any} source A WeakenMoveTypeTag
+  */
+  loadTag(source: WeakenMoveTypeTag | any): void {
+    super.loadTag(source);
+    this.weakenedType = source.weakenedType as Type;
+  }
 }
 
 class MudSportTag extends WeakenMoveTypeTag {
@@ -252,6 +284,16 @@ export class ArenaTrapTag extends ArenaTag {
   getMatchupScoreMultiplier(pokemon: Pokemon): number {
     return pokemon.isGrounded() ? 1 : Phaser.Math.Linear(0, 1 / Math.pow(2, this.layers), Math.min(pokemon.getHpRatio(), 0.5) * 2);
   }
+
+  /**
+  * Given an ArenaTrapTag or json representing one, load the data for it.
+  * @param {ArenaTrapTag | any} source An ArenaTrapTag
+  */
+  loadTag(source: ArenaTrapTag | any): void {
+    super.loadTag(source);
+    this.layers = source.layers;
+    this.maxLayers = source.maxLayers;
+  }
 }
 
 class SpikesTag extends ArenaTrapTag {
@@ -331,6 +373,15 @@ class ToxicSpikesTag extends ArenaTrapTag {
       return 1.25;
     return super.getMatchupScoreMultiplier(pokemon);
   }
+
+  /**
+  * Given a ToxicSpikesTag or json representing one, load the data for it.
+  * @param {ToxicSpikesTag | any} source A ToxicSpikesTag
+  */
+  loadTag(source: ToxicSpikesTag | any): void {
+    super.loadTag(source);
+    this.neutralized = source.neutralized;
+  }
 }
 
 class DelayedAttackTag extends ArenaTag {
@@ -352,6 +403,15 @@ class DelayedAttackTag extends ArenaTag {
   }
 
   onRemove(arena: Arena): void { }
+
+  /**
+  * Given a DelayedAttackTag or json representing one, load the data for it.
+  * @param {DelayedAttackTag | any} source A DelayedAttackTag
+  */
+  loadTag(source: DelayedAttackTag | any): void {
+    super.loadTag(source);
+    this.targetIndex = source.targetIndex;
+  }
 }
 
 class StealthRockTag extends ArenaTrapTag {
@@ -496,7 +556,7 @@ class TailwindTag extends ArenaTag {
   }
 }
 
-export function getArenaTag(tagType: ArenaTagType, turnCount: integer, sourceMove: Moves, sourceId: integer, targetIndex?: BattlerIndex, side: ArenaTagSide = ArenaTagSide.BOTH): ArenaTag {
+export function getArenaTag(tagType: ArenaTagType, turnCount: integer, sourceMove: Moves, sourceId: integer, side: ArenaTagSide = ArenaTagSide.BOTH, targetIndex?: BattlerIndex): ArenaTag {
   switch (tagType) {
     case ArenaTagType.MIST:
       return new MistTag(turnCount, sourceId, side);
@@ -531,3 +591,14 @@ export function getArenaTag(tagType: ArenaTagType, turnCount: integer, sourceMov
       return new TailwindTag(turnCount, sourceId, side);
   }
 }
+
+/**
+  * When given an arena tag or json representing one, creates the actual ArenaTag object with the same data loaded.
+  * @param {ArenaTag | any} source An arena tag, or json representing one.
+  * @return {ArenaTag} The valid arena tag with correct data loaded.
+  */
+export function loadArenaTag(source: ArenaTag | any): ArenaTag {
+  const tag = getArenaTag(source.tagType, source.turnCount, source.sourceMove, source.sourceId, source.side, source?.targetIndex);
+  tag.loadTag(source);
+  return tag;
+}
\ No newline at end of file
diff --git a/src/field/arena.ts b/src/field/arena.ts
index a2bde9422..105cf17cb 100644
--- a/src/field/arena.ts
+++ b/src/field/arena.ts
@@ -497,7 +497,7 @@ export class Arena {
       return false;
     }
 
-    const newTag = getArenaTag(tagType, turnCount || 0, sourceMove, sourceId, targetIndex, side);
+    const newTag = getArenaTag(tagType, turnCount || 0, sourceMove, sourceId, side, targetIndex);
     this.tags.push(newTag);
     newTag.onAdd(this);
 
diff --git a/src/system/arena-data.ts b/src/system/arena-data.ts
index 4d5fb10e8..78b9c7471 100644
--- a/src/system/arena-data.ts
+++ b/src/system/arena-data.ts
@@ -1,5 +1,5 @@
 import { Arena } from "../field/arena";
-import { ArenaTag } from "../data/arena-tag";
+import { ArenaTag, loadArenaTag } from "../data/arena-tag";
 import { Biome } from "../data/enums/biome";
 import { Weather } from "../data/weather";
 
@@ -12,6 +12,10 @@ export default class ArenaData {
     const sourceArena = source instanceof Arena ? source as Arena : null;
     this.biome = sourceArena ? sourceArena.biomeType : source.biome;
     this.weather = sourceArena ? sourceArena.weather : source.weather ? new Weather(source.weather.weatherType, source.weather.turnsLeft) : undefined;
-    this.tags = sourceArena ? sourceArena.tags : [];
+    const arenaTags: ArenaTag[] = sourceArena ? sourceArena.tags : source.tags;
+    this.tags = [];
+    for (let tag of arenaTags) {
+      this.tags.push(loadArenaTag(tag))
+    }
   }
 }
\ No newline at end of file
diff --git a/src/system/game-data.ts b/src/system/game-data.ts
index 7f6e1475b..8e63848f2 100644
--- a/src/system/game-data.ts
+++ b/src/system/game-data.ts
@@ -688,8 +688,7 @@ export class GameData {
           });
 
           scene.arena.weather = sessionData.arena.weather;
-          // TODO
-          //scene.arena.tags = sessionData.arena.tags;
+          scene.arena.tags = sessionData.arena.tags;
 
           const modifiersModule = await import('../modifier/modifier');