diff --git a/src/lib/combat_achievements/easy.ts b/src/lib/combat_achievements/easy.ts
index 98af025d46..2b5cd47f66 100644
--- a/src/lib/combat_achievements/easy.ts
+++ b/src/lib/combat_achievements/easy.ts
@@ -4,6 +4,7 @@ import { warmGear } from '../data/filterables';
 import { SkillsEnum } from '../skilling/types';
 import { Requirements } from '../structures/Requirements';
 import getOSItem from '../util/getOSItem';
+import resolveItems from '../util/resolveItems';
 import { isCertainMonsterTrip } from './caUtils';
 import { type CombatAchievement } from './combatAchievements';
 
@@ -413,5 +414,30 @@ export const easyCombatAchievements: CombatAchievement[] = [
 				[Monsters.Wyrm.id]: 1
 			}
 		})
+	},
+	{
+		id: 34,
+		name: 'Sit Rat',
+		type: 'restriction',
+		monster: 'Scurrius',
+		desc: 'Finish off Scurrius with a ratbane weapon.',
+		rng: {
+			chancePerKill: 1,
+			hasChance: (data, user) =>
+				isCertainMonsterTrip(Monsters.Scurrius.id)(data) &&
+				[resolveItems(['Bone mace', 'Bone staff', 'Bone shortbow'])].some(i => user.hasEquipped(i))
+		}
+	},
+	{
+		id: 35,
+		name: 'Scurrius Novice',
+		type: 'kill_count',
+		monster: 'Scurrius',
+		desc: 'Kill Scurrius once.',
+		requirements: new Requirements().add({
+			kcRequirement: {
+				[Monsters.Scurrius.id]: 1
+			}
+		})
 	}
 ];
diff --git a/src/lib/combat_achievements/medium.ts b/src/lib/combat_achievements/medium.ts
index 5c8d4381ad..cbbc56bc37 100644
--- a/src/lib/combat_achievements/medium.ts
+++ b/src/lib/combat_achievements/medium.ts
@@ -491,5 +491,39 @@ export const mediumCombatAchievements: CombatAchievement[] = [
 				wintertodt: 10
 			}
 		})
+	},
+	{
+		id: 141,
+		name: 'Scurrius Champion',
+		type: 'kill_count',
+		monster: 'Scurrius',
+		desc: 'Kill Scurrius 10 times.',
+		requirements: new Requirements().add({
+			kcRequirement: {
+				[Monsters.Scurrius.id]: 10
+			}
+		})
+	},
+	{
+		id: 142,
+		name: 'Perfect Scurrius',
+		type: 'perfection',
+		monster: 'Scurrius',
+		desc: 'Kill Scurrius in a private instance without taking damage from the following attacks: Tail Swipe and Falling Bricks. Pray correctly against the following attacks: Flying Fur and Bolts of Electricity.',
+		rng: {
+			chancePerKill: 10,
+			hasChance: isCertainMonsterTrip(Monsters.Scurrius.id)
+		}
+	},
+	{
+		id: 143,
+		name: 'Efficient Pest Control',
+		type: 'mechanical',
+		monster: 'Scurrius',
+		desc: "Kill 6 Giant Rats within Scurrius' lair in 3 seconds.",
+		rng: {
+			chancePerKill: 10,
+			hasChance: isCertainMonsterTrip(Monsters.Scurrius.id)
+		}
 	}
 ];