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