MONSTER SLAYER Achievements Here is the full list of all 16 MONSTER SLAYER achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Certificate of Defeating CortisCertificate for defeating 20 or more Cortis. Certificate of Entis DefeatCertificate for defeating 20 or more Entis. Certificate for defeating Lantis Certificate of Defeating WintisCertificate for defeating 10 or more Wintis Certificate of Defeating OtisCertificate for defeating more than 20 Otis. Proof of defeat of BrotisProof of defeating 10 or more Brotis Certificate of Defeat of BenetisCertificate for defeating 10 or more Benetis. Certificate of Defeat of Zolotis Certificate of Defeating Makitis Certificate for defeating Hurtis Certificate of Defeating Dratis evidence of a fierce battle death certificate Healer's Certificate Hunter's proof token of growth