Here is the full list of all 30 Slain: Back from Hell achievements.
Defeat the game without losing a single life.
Watch 30 enemies get killed by traps.
Destroy Vroll and liberate Chalh within 3 minutes.
Defeat the game without using any Mana.
Reached the top of the Blood Tower without falling in any gore pits.
Finish the Bloodgrounds without dying at all.
Complete the Wolf Run without losing any health.
Kill Vroll without taking any damage.
Headbang after every single boss has been defeated.
Find all five pieces of the Talisman.
Defeat Hogre without losing any health.
Defeat Malikesh without losing any health.
Defeat the Ice Beast without losing any health.
Hit 6 Ice Meteors back at the Ice Beast.
Defeat the Mother Beholder without losing any health.
Dispatch the Mother Beholder within 30 seconds.
Defeat the Banshee Queen without losing any health.
You Have Been Killed 100 times. Rejoice!
Complete Highlands level without killing an enemy with the flame blade.
Escape the Highlands Caves through the secret passage.
Destroy 30 enemies with reflected projectiles.
Slay 8 of your enemies in a trice.
Defeat Lupus Rex without losing any health.
Successfully execute 100 Critical Strikes.
Squash a Wolf Guard in a crusher trap.
Defeat the Fire Hounds without losing any health.
Defeat the Thorn Beast without losing any health.
Die for the very first time.
Kill every Beholder in the Hive without using mana.
Successfully avoid the first spike trap in the Bloodgrounds.