diff --git a/public/images/pokemon/back/1017-cornerstone-mask-tera.json b/public/images/pokemon/back/1017-cornerstone-mask-tera.json
index 1aec2048c..1424d2555 100644
--- a/public/images/pokemon/back/1017-cornerstone-mask-tera.json
+++ b/public/images/pokemon/back/1017-cornerstone-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-cornerstone-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 94,
+				"h": 94
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
-						"x": 0,
+						"x": 1,
 						"y": 2,
-						"w": 144,
-						"h": 140
+						"w": 94,
+						"h": 92
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 144,
-						"h": 140
+						"w": 94,
+						"h": 92
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 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:dcbefd71783ecd9e243d3426e927b845:1f7ab2bf8ba8848c6f73ec7bc9e81921:19983e2c44c76def68513841019a938a$"
+		"smartupdate": "$TexturePacker:SmartUpdate:7445fc98c3d4d220190fb1c24e70d3ab:1f7ab2bf8ba8848c6f73ec7bc9e81921:19983e2c44c76def68513841019a938a$"
 	}
 }
diff --git a/public/images/pokemon/back/1017-cornerstone-mask-tera.png b/public/images/pokemon/back/1017-cornerstone-mask-tera.png
index 80f34d6b5..9a6120413 100644
Binary files a/public/images/pokemon/back/1017-cornerstone-mask-tera.png and b/public/images/pokemon/back/1017-cornerstone-mask-tera.png differ
diff --git a/public/images/pokemon/back/1017-hearthflame-mask-tera.json b/public/images/pokemon/back/1017-hearthflame-mask-tera.json
index 06dc6aa0c..83bc9e280 100644
--- a/public/images/pokemon/back/1017-hearthflame-mask-tera.json
+++ b/public/images/pokemon/back/1017-hearthflame-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-hearthflame-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 96,
+				"h": 96
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
 						"x": 3,
 						"y": 0,
-						"w": 136,
-						"h": 144
+						"w": 89,
+						"h": 96
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 136,
-						"h": 144
+						"w": 89,
+						"h": 96
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 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:e85adb80edf2c01ef6f95faf83de58ce:c7ed7dc68c465d2334a81deca3c86664:a668acdf23dbfab4355fc0c90e8f5362$"
+		"smartupdate": "$TexturePacker:SmartUpdate:f9e0b5ff9ac2b57d131d6f27661d1aaa:c7ed7dc68c465d2334a81deca3c86664:a668acdf23dbfab4355fc0c90e8f5362$"
 	}
 }
diff --git a/public/images/pokemon/back/1017-hearthflame-mask-tera.png b/public/images/pokemon/back/1017-hearthflame-mask-tera.png
index cce6529d2..3a50be4b0 100644
Binary files a/public/images/pokemon/back/1017-hearthflame-mask-tera.png and b/public/images/pokemon/back/1017-hearthflame-mask-tera.png differ
diff --git a/public/images/pokemon/back/1017-teal-mask-tera.json b/public/images/pokemon/back/1017-teal-mask-tera.json
index 9e729c7dc..36959768e 100644
--- a/public/images/pokemon/back/1017-teal-mask-tera.json
+++ b/public/images/pokemon/back/1017-teal-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-teal-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 96,
+				"h": 96
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
-						"x": 0,
+						"x": 1,
 						"y": 0,
-						"w": 144,
-						"h": 144
+						"w": 94,
+						"h": 96
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 144,
-						"h": 144
+						"w": 94,
+						"h": 96
 					}
 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:a84c3152ca2c84a0dccb8d85180893c0:c65956e68f88f806b48f40f2e2b3aefc:9f6debc3cc730be60b9cc5260e70873a$"
+		"smartupdate": "$TexturePacker:SmartUpdate:d3820bf4209f076190e819598a6ec8d7:c65956e68f88f806b48f40f2e2b3aefc:9f6debc3cc730be60b9cc5260e70873a$"
 	}
 }
diff --git a/public/images/pokemon/back/1017-teal-mask-tera.png b/public/images/pokemon/back/1017-teal-mask-tera.png
index 81f2c8f6f..496a08336 100644
Binary files a/public/images/pokemon/back/1017-teal-mask-tera.png and b/public/images/pokemon/back/1017-teal-mask-tera.png differ
diff --git a/public/images/pokemon/back/1017-wellspring-mask-tera.json b/public/images/pokemon/back/1017-wellspring-mask-tera.json
index bf2773690..25fd3a764 100644
--- a/public/images/pokemon/back/1017-wellspring-mask-tera.json
+++ b/public/images/pokemon/back/1017-wellspring-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-wellspring-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 96,
+				"h": 96
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
 						"x": 0,
-						"y": 8,
-						"w": 144,
-						"h": 130
+						"y": 6,
+						"w": 96,
+						"h": 85
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 144,
-						"h": 130
+						"w": 96,
+						"h": 85
 					}
 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:5d527aed445f4210bf0f76a29b0718ef:b9a6688aea29bea33c6b1b518f1da693:f4f8b58743ad897a5774e4ca3d3eff03$"
+		"smartupdate": "$TexturePacker:SmartUpdate:689ff4514c071d220bf0457da26850d5:b9a6688aea29bea33c6b1b518f1da693:f4f8b58743ad897a5774e4ca3d3eff03$"
 	}
 }
diff --git a/public/images/pokemon/back/1017-wellspring-mask-tera.png b/public/images/pokemon/back/1017-wellspring-mask-tera.png
index 127608611..19d710549 100644
Binary files a/public/images/pokemon/back/1017-wellspring-mask-tera.png and b/public/images/pokemon/back/1017-wellspring-mask-tera.png differ
diff --git a/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.json b/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.json
index 2c3aa1144..9f07320e1 100644
--- a/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.json
+++ b/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-cornerstone-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 94,
+				"h": 94
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
-						"x": 0,
+						"x": 1,
 						"y": 2,
-						"w": 144,
-						"h": 140
+						"w": 94,
+						"h": 92
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 144,
-						"h": 140
+						"w": 94,
+						"h": 92
 					}
 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:2c54519746e1aca46c247179ac5bef04:c40781d9ba7317d9195c41c46a2b386c:19983e2c44c76def68513841019a938a$"
+		"smartupdate": "$TexturePacker:SmartUpdate:33c1ac8f12234ff41459d7738281c92f:c40781d9ba7317d9195c41c46a2b386c:19983e2c44c76def68513841019a938a$"
 	}
 }
diff --git a/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.png b/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.png
index 9b2e0a3ec..0d2883d23 100644
Binary files a/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.png and b/public/images/pokemon/back/shiny/1017-cornerstone-mask-tera.png differ
diff --git a/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.json b/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.json
index 088c00973..21d1d17f3 100644
--- a/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.json
+++ b/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-hearthflame-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 96,
+				"h": 96
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
 						"x": 3,
 						"y": 0,
-						"w": 136,
-						"h": 144
+						"w": 89,
+						"h": 96
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 136,
-						"h": 144
+						"w": 89,
+						"h": 96
 					}
 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:8b38cc19c7295a495d9e91ae10718e62:75bb98cbf7a7074508abbada1dbfc94c:a668acdf23dbfab4355fc0c90e8f5362$"
+		"smartupdate": "$TexturePacker:SmartUpdate:84ef49fd74c1e18eea1fbf1ccbdf3667:75bb98cbf7a7074508abbada1dbfc94c:a668acdf23dbfab4355fc0c90e8f5362$"
 	}
 }
diff --git a/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.png b/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.png
index 7c71afcf0..34c888466 100644
Binary files a/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.png and b/public/images/pokemon/back/shiny/1017-hearthflame-mask-tera.png differ
diff --git a/public/images/pokemon/back/shiny/1017-teal-mask-tera.json b/public/images/pokemon/back/shiny/1017-teal-mask-tera.json
index 1ee4ee8fb..ffc0657b6 100644
--- a/public/images/pokemon/back/shiny/1017-teal-mask-tera.json
+++ b/public/images/pokemon/back/shiny/1017-teal-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-teal-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 96,
+				"h": 96
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
-						"x": 0,
+						"x": 1,
 						"y": 0,
-						"w": 144,
-						"h": 144
+						"w": 94,
+						"h": 96
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 144,
-						"h": 144
+						"w": 94,
+						"h": 96
 					}
 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:5395c9c1661c7d728723b2c2a457aa66:b5288f0e4ffc7614f30c6b606d36647b:9f6debc3cc730be60b9cc5260e70873a$"
+		"smartupdate": "$TexturePacker:SmartUpdate:46c5307225fee0ace2c1e637ebc20c5b:b5288f0e4ffc7614f30c6b606d36647b:9f6debc3cc730be60b9cc5260e70873a$"
 	}
 }
diff --git a/public/images/pokemon/back/shiny/1017-teal-mask-tera.png b/public/images/pokemon/back/shiny/1017-teal-mask-tera.png
index 81b8987e1..d118d314c 100644
Binary files a/public/images/pokemon/back/shiny/1017-teal-mask-tera.png and b/public/images/pokemon/back/shiny/1017-teal-mask-tera.png differ
diff --git a/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.json b/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.json
index 56a854a2a..b0bf6414f 100644
--- a/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.json
+++ b/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.json
@@ -4,30 +4,30 @@
 			"image": "1017-wellspring-mask-tera.png",
 			"format": "RGBA8888",
 			"size": {
-				"w": 144,
-				"h": 144
+				"w": 96,
+				"h": 96
 			},
-			"scale": 0.5,
+			"scale": 0.333,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
 					"trimmed": false,
 					"sourceSize": {
-						"w": 144,
-						"h": 144
+						"w": 96,
+						"h": 96
 					},
 					"spriteSourceSize": {
 						"x": 0,
-						"y": 8,
-						"w": 144,
-						"h": 130
+						"y": 6,
+						"w": 96,
+						"h": 85
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
-						"w": 144,
-						"h": 130
+						"w": 96,
+						"h": 85
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 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:a1bf5253f2d6ae6d8c33f2be9d591228:12d1e5242ab1c5174bbe31202f0e13e8:f4f8b58743ad897a5774e4ca3d3eff03$"
+		"smartupdate": "$TexturePacker:SmartUpdate:2cd8c5adc90abae707acf2863021a2ef:12d1e5242ab1c5174bbe31202f0e13e8:f4f8b58743ad897a5774e4ca3d3eff03$"
 	}
 }
diff --git a/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.png b/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.png
index c935b62f4..00b0f7e75 100644
Binary files a/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.png and b/public/images/pokemon/back/shiny/1017-wellspring-mask-tera.png differ
diff --git a/src/data/ability.ts b/src/data/ability.ts
index b076c074d..923a34ecd 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -155,6 +155,42 @@ export class PostBattleInitFormChangeAbAttr extends PostBattleInitAbAttr {
   }
 }
 
+export class PostBattleInitStatChangeAbAttr extends PostBattleInitAbAttr {
+  private stats: BattleStat[];
+  private levels: integer;
+  private selfTarget: boolean;
+
+  constructor(stats: BattleStat | BattleStat[], levels: integer, selfTarget?: boolean) {
+    super();
+
+    this.stats = typeof(stats) === 'number'
+      ? [ stats as BattleStat ]
+      : stats as BattleStat[];
+    this.levels = levels;
+    this.selfTarget = !!selfTarget;
+  }
+
+  applyPostBattleInit(pokemon: Pokemon, args: any[]): boolean {
+    const statChangePhases: StatChangePhase[] = [];
+
+    if (this.selfTarget)
+      statChangePhases.push(new StatChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, this.stats, this.levels));
+    else {
+      for (let opponent of pokemon.getOpponents())
+        statChangePhases.push(new StatChangePhase(pokemon.scene, opponent.getBattlerIndex(), false, this.stats, this.levels));
+    }
+
+    for (let statChangePhase of statChangePhases) {
+      if (!this.selfTarget && !statChangePhase.getPokemon().summonData)
+        pokemon.scene.pushPhase(statChangePhase); // TODO: This causes the ability bar to be shown at the wrong time
+      else
+        pokemon.scene.unshiftPhase(statChangePhase);
+    }
+   
+    return true;
+  }
+}
+
 type PreDefendAbAttrCondition = (pokemon: Pokemon, attacker: Pokemon, move: PokemonMove) => boolean;
 
 export class PreDefendAbAttr extends AbAttr {
@@ -2605,10 +2641,14 @@ export function initAbilities() {
     new Ability(Abilities.SUPERSWEET_SYRUP, "Supersweet Syrup (N)", "A sickly sweet scent spreads across the field the first time the Pokémon enters a battle, lowering the evasiveness of opposing Pokémon.", 9),
     new Ability(Abilities.HOSPITALITY, "Hospitality (N)", "When the Pokémon enters a battle, it showers its ally with hospitality, restoring a small amount of the ally's HP.", 9),
     new Ability(Abilities.TOXIC_CHAIN, "Toxic Chain (N)", "The power of the Pokémon's toxic chain may badly poison any target the Pokémon hits with a move.", 9),
-    new Ability(Abilities.EMBODY_ASPECT_TEAL, "Embody Aspect (N)", "The Pokémon's heart fills with memories, causing the Teal Mask to shine and the Pokémon's Speed stat to be boosted.", 9),
-    new Ability(Abilities.EMBODY_ASPECT_WELLSPRING, "Embody Aspect (N)", "The Pokémon's heart fills with memories, causing the Wellspring Mask to shine and the Pokémon's Sp. Def stat to be boosted.", 9),
-    new Ability(Abilities.EMBODY_ASPECT_HEARTHFLAME, "Embody Aspect (N)", "The Pokémon's heart fills with memories, causing the Hearthflame Mask to shine and the Pokémon's Attack stat to be boosted.", 9),
-    new Ability(Abilities.EMBODY_ASPECT_CORNERSTONE, "Embody Aspect (N)", "The Pokémon's heart fills with memories, causing the Cornerstone Mask to shine and the Pokémon's Defense stat to be boosted.", 9),
+    new Ability(Abilities.EMBODY_ASPECT_TEAL, "Embody Aspect", "The Pokémon's heart fills with memories, causing the Teal Mask to shine and the Pokémon's Speed stat to be boosted.", 9)
+      .attr(PostBattleInitStatChangeAbAttr, BattleStat.SPD, 1, true),
+    new Ability(Abilities.EMBODY_ASPECT_WELLSPRING, "Embody Aspect", "The Pokémon's heart fills with memories, causing the Wellspring Mask to shine and the Pokémon's Sp. Def stat to be boosted.", 9)
+      .attr(PostBattleInitStatChangeAbAttr, BattleStat.SPDEF, 1, true),
+    new Ability(Abilities.EMBODY_ASPECT_HEARTHFLAME, "Embody Aspect", "The Pokémon's heart fills with memories, causing the Hearthflame Mask to shine and the Pokémon's Attack stat to be boosted.", 9)
+      .attr(PostBattleInitStatChangeAbAttr, BattleStat.ATK, 1, true),
+    new Ability(Abilities.EMBODY_ASPECT_CORNERSTONE, "Embody Aspect", "The Pokémon's heart fills with memories, causing the Cornerstone Mask to shine and the Pokémon's Defense stat to be boosted.", 9)
+      .attr(PostBattleInitStatChangeAbAttr, BattleStat.DEF, 1, true),
     new Ability(Abilities.TERA_SHIFT, "Tera Shift", "When the Pokémon enters a battle, it absorbs the energy around itself and transforms into its Terastal Form.", 9)
       .attr(PostSummonFormChangeAbAttr, p => p.getFormKey() ? 0 : 1),
     new Ability(Abilities.TERA_SHELL, "Tera Shell (N)", "The Pokémon's shell contains the powers of each type. All damage-dealing moves that hit the Pokémon when its HP is full will not be very effective.", 9)
diff --git a/src/data/move.ts b/src/data/move.ts
index 85643b275..f10513548 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -3932,7 +3932,7 @@ export function initMoves() {
       .attr(StatChangeAttr, BattleStat.SPDEF, -2)
       .ballBombMove(),
     new AttackMove(Moves.FOUL_PLAY, "Foul Play", Type.DARK, MoveCategory.PHYSICAL, 95, 100, 15, "The user turns the target's power against it. The higher the target's Attack stat, the greater the damage it deals.", -1, 0, 5)
-    .attr(TargetAtkUserAtkAttr),
+      .attr(TargetAtkUserAtkAttr),
     new StatusMove(Moves.SIMPLE_BEAM, "Simple Beam (N)", Type.NORMAL, 100, 15, "The user's mysterious psychic wave changes the target's Ability to Simple.", -1, 0, 5),
     new StatusMove(Moves.ENTRAINMENT, "Entrainment (N)", Type.NORMAL, 100, 15, "The user dances with an odd rhythm that compels the target to mimic it, making the target's Ability the same as the user's.", -1, 0, 5),
     new StatusMove(Moves.AFTER_YOU, "After You (N)", Type.NORMAL, -1, 15, "The user helps the target and makes it use its move right after the user.", -1, 0, 5)
diff --git a/src/data/pokemon-forms.ts b/src/data/pokemon-forms.ts
index f5664efc1..1a76a3600 100644
--- a/src/data/pokemon-forms.ts
+++ b/src/data/pokemon-forms.ts
@@ -637,7 +637,15 @@ export const pokemonFormChanges: PokemonFormChanges = {
   [Species.OGERPON]: [
     new SpeciesFormChange(Species.OGERPON, 'teal-mask', 'wellspring-mask', new SpeciesFormChangeItemTrigger(FormChangeItem.WELLSPRING_MASK)),
     new SpeciesFormChange(Species.OGERPON, 'teal-mask', 'hearthflame-mask', new SpeciesFormChangeItemTrigger(FormChangeItem.HEARTHFLAME_MASK)),
-    new SpeciesFormChange(Species.OGERPON, 'teal-mask', 'cornerstone-mask', new SpeciesFormChangeItemTrigger(FormChangeItem.CORNERSTONE_MASK))
+    new SpeciesFormChange(Species.OGERPON, 'teal-mask', 'cornerstone-mask', new SpeciesFormChangeItemTrigger(FormChangeItem.CORNERSTONE_MASK)),
+    new SpeciesFormChange(Species.OGERPON, 'teal-mask', 'teal-mask-tera', new SpeciesFormChangeManualTrigger(), true), //When holding a Grass Tera Shard
+    new SpeciesFormChange(Species.OGERPON, 'teal-mask-tera', 'teal-mask', new SpeciesFormChangeManualTrigger(), true), //When no longer holding a Grass Tera Shard
+    new SpeciesFormChange(Species.OGERPON, 'wellspring-mask', 'wellspring-mask-tera', new SpeciesFormChangeManualTrigger(), true), //When holding a Water Tera Shard
+    new SpeciesFormChange(Species.OGERPON, 'wellspring-mask-tera', 'wellspring-mask', new SpeciesFormChangeManualTrigger(), true), //When no longer holding a Water Tera Shard
+    new SpeciesFormChange(Species.OGERPON, 'hearthflame-mask', 'hearthflame-mask-tera', new SpeciesFormChangeManualTrigger(), true), //When holding a Fire Tera Shard
+    new SpeciesFormChange(Species.OGERPON, 'hearthflame-mask-tera', 'hearthflame-mask', new SpeciesFormChangeManualTrigger(), true), //When no longer holding a Fire Tera Shard
+    new SpeciesFormChange(Species.OGERPON, 'cornerstone-mask', 'cornerstone-mask-tera', new SpeciesFormChangeManualTrigger(), true), //When holding a Rock Tera Shard
+    new SpeciesFormChange(Species.OGERPON, 'cornerstone-mask-tera', 'cornerstone-mask', new SpeciesFormChangeManualTrigger(), true) //When no longer holding a Rock Tera Shard
   ],
   [Species.TERAPAGOS]: [
     new SpeciesFormChange(Species.TERAPAGOS, '', 'terastal', new SpeciesFormChangeManualTrigger(), true)