diff --git a/data/formats-data.js b/data/formats-data.js
index 4831d06f8c..4dbde4063c 100644
--- a/data/formats-data.js
+++ b/data/formats-data.js
@@ -960,13 +960,13 @@ let BattleFormatsData = {
 		randomBattleMoves: ["calmmind", "scald", "psyshock", "slackoff", "fireblast", "psychic", "icebeam"],
 		randomDoubleBattleMoves: ["scald", "fireblast", "icebeam", "psychic", "thunderwave", "slackoff", "trickroom", "protect", "psyshock"],
 		requiredItem: "Slowbronite",
-		tier: "UU",
+		tier: "RUBL",
 		doublesTier: "DUU",
 	},
 	slowking: {
 		randomBattleMoves: ["scald", "fireblast", "icebeam", "psychic", "grassknot", "thunderwave", "toxic", "slackoff", "trickroom", "nastyplot", "dragontail", "psyshock"],
 		randomDoubleBattleMoves: ["scald", "fireblast", "icebeam", "psychic", "grassknot", "thunderwave", "slackoff", "trickroom", "protect", "psyshock"],
-		tier: "RUBL",
+		tier: "NU",
 		doublesTier: "DUU",
 	},
 	magnemite: {
@@ -3639,7 +3639,7 @@ let BattleFormatsData = {
 		randomBattleMoves: ["freezedry", "iceshard", "earthquake", "explosion", "return", "spikes"],
 		randomDoubleBattleMoves: ["crunch", "iceshard", "freezedry", "earthquake", "explosion", "protect", "return"],
 		requiredItem: "Glalitite",
-		tier: "UU",
+		tier: "NU",
 		doublesTier: "DUU",
 	},
 	froslass: {