Here is the full list of all 30 Devil's Hunt achievements.
Knock off 20 enemies from a ledge
Find and destroy all the Lucifer mirrors
Unlock all Void skills
Play any chapter once again
Finish the game on easy difficulty
Finish the game on medium difficulty
Finish the game on hard difficulty
Complete the game without dying
Escape Satanael
Do 100 finishers
Unlock all Angel skills
Kill 4 enemies at once
Drain 75 souls
Unlock all Demonic skills
Defeat Aldo
Kill an Angel
Find all the secrets in Miami
Unlock all skill trees
Defeat the Protector
Receive a mark from Belial
Collect 100 souls
Find all the secrets in Jerusalem
Transform into Demon
Save yourself from certain death
Kill Embry
Sign the pact
Use a teleporter
Commit suicide
Survive the nightmare
Kill a Demon