Full list of all 42 Infernax achievements.
The base game contains 30 achievements, and there is 1 DLC pack containing 12 achievements.
Travel to the future and defeat Azazel
Complete ultimate good playthrough
Get the Necronomicon from Robert's cold dead hands
Leave all the work to Tancred
Complete good playthrough
Defeat Paimon again
Reflect a projectile and defeat 3 enemies
Complete ultimate evil playthrough
Slay Sir Tancred
Obtain the final weapon
Save at all statues after becoming evil
Complete evil playthrough
Listen to Hans' story... ALL OF IT
Complete the game as good after turning evil
Complete the game on Classic Mode
Defeat Belphegor, The Father of Destruction
Defeat Alastor, The Hope Devourer
Cleanse the dreamscape
Defeat Apollyon, The Cursed Cherubim
Have Gregor perform an exorcism
Learn the Guided Strike Skill
Defeat Leviathan, The Sunken Corruptor
Obtain the final armor
Begin down the path of evil
Enter a code in the Game Wizard book
Defeat Kalamon, The Glutton of Pain
Summon the tornado
Defeat 5 enemies with one Thunder/Fire storm
Defeat Mahalmon, The Spewer of Lies
Up Up Down Down Left Right Left Right....etc
Make the Mayor work his core
Take a shortcut to Stormheim Castle's chest
Eat. the. wall. chicken.
Sleep until you can't sleep no more
Parade your Duke in any village
Block a projectile with the Squire's shield on the ground
Fully upgrade all the Squire's tools
Purchase the Squire his first tool
Purchase an Evil tool for the Squire
Play a game with a friend... with guns...
Turn around and take the boat
Complete a game with a friend