Here is the full list of all 30 SUCCUBUS achievements.
Unlock the entire Bestiary
Finish the game
Kill Baphomet
Selfie with Baphomet
Roll the Ball to the basket
Take 100 selfies
Take a ride on a Collector
Kill Agretha
Kill the Harpy
Toggle armor visibility
Kill 666 Warriors
Watch idle for 50 seconds
Travel 3 km by using a dash
Kill 20 enemies in Slow Motion
Kill Kali
Waste Fury without killing anyone
Hit an enemy with a cocoon
Play Ranked Mode
Make a purchase
Load Cherubin on the spikes
Kill 20 enemies without using any weapons or powers
Spend 12 minutes in the Cave
Take advantage of the cave's comforts
Use Fury
Drop your opponent into the lava
Burn 8 Tentacles
Do an abortion
Kick Martyr and kill him in flight
Stamp on the baby
Complete all quests