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Monster Slayers is a rogue-like deck-building RPG adventure. Create a hero and choose your path through the perilous Northern Valley as you battle monsters to become a legendary Monster Slayer!

Achievements
22None hidden
Average Unlock Rate
18%of owners, per achievement
Rare (Under 5%)
314% of the list
Rarest
2%The Dirty Dozen
Most Common
75%Tutelage
| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 0 | |
| 1–5% | 3 | |
| 5–20% | 14 | |
| 20–50% | 3 | |
| 50% and over | 2 |
| # | Achievement | Unlocked |
|---|---|---|
| 1 | TutelageComplete the Tutorial. | 75% |
| 2 | Boss SlainDefeat a Boss. | 65% |
| 3 | Tough as NailsHave a hero with at least 200 HP. | 44% |
| 4 | Level 15Reach level 15 with a hero. | 38% |
| 5 | Master ThiefDefeat the Harbinger with a Rogue. | 25% |
| 6 |
Share of the game’s Steam owners who unlocked each achievement, checked 31 Oct 2026. Steam counts owners who never played, so rates run low. How we count
Master ArcherDefeat the Harbinger with a Ranger. |
| 18% |
| 7 | ArchmageDefeat the Harbinger with a Wizard. | 14% |
| 8 | Champion KnightDefeat the Harbinger with a Knight. | 14% |
| 9 | Barbarian KingDefeat the Harbinger with a Barbarian. | 13% |
| 10 | Master HealerDefeat the Harbinger with a Cleric. | 11% |
| 11 | The King of BonesDefeat the Harbinger with a Necromancer. | 9% |
| 12 | Silent AssassinDefeat the Harbinger with an Assassin. | 9% |
| 13 | Lord of the JungleDefeat the Harbinger with a Beastmaster. | 9% |
| 14 | Monster SlayerDefeat the Harbinger with all 6 starting classes. | 8% |
| 15 | The PharmacistDefeat the Harbinger with an Apothecary. | 8% |
| 16 | Kung Fu MasterDefeat the Harbinger with a Monk. | 7% |
| 17 | A Big Guy, For YouDefeat the Harbinger with a Brute. | 7% |
| 18 | Capitalism Ho!Defeat the Harbinger with a Merchant. | 6% |
| 19 | Legendary SlayerComplete a game in Legendary Mode. | 5% |
| 20 | Giant LizardDefeat the Harbinger with a Dragon. | 5% |
| 21 | The Big SixComplete Legendary mode with 6 different classes. | 2% |
| 22 | The Dirty DozenComplete Legendary mode with 12 different classes. | 2% |