Here is the full list of all 19 Trinity Survivors achievements.
Purchase all artifacts from Blood Altar
Purchase Neria
Purchase James Smith
Complete Deathbloom Domain
Complete Orc Outpost
Complete Awakened Threat
Complete Venomous Swamp
Complete Observant Eyes
Complete Fourfold Eyes
Complete Siege Weapon
Complete Surveillance Device
Complete Boiling Ground
Complete Sand Hell
Complete Toxic Cactus
Complete Orc Outpost without getting hit more than 10 times
Complete Awakened Threat without getting hit more than 10 times
Complete Orc Outpost with getting hit more than 100 times
Reach Blood Kill Level 10
Defeat 100000 orcs in total.