Here is the full list of all 49 Death Must Die achievements.
Win an attempt as Nixi using the Endless Night talent
Win an attempt as Nixi using the Mind Reaper talent
Win an attempt as Merris using the Telekinesis talent
Win an attempt as Merris using the Charged Field talent
Win an attempt as Skadi with Darkness
Win an attempt as Lorien using the Whistling Arrow talent
Win an attempt as Front using the Rampage talent
Defeat The Djinn as Front
Win an attempt as Skadi and her wolves
Travel to 40 different locations in an attempt as Avoron.
Win an attempt as Lorien using the Bask in Greatness talent
Level up to 40 as Lorien
Win an attempt as Avoron using the Light Rays blessing from Lady Justice
Lose an attempt as Lorien
Defeat The Insect Queen as Lorien
Kill 1000 Skeletons as Lorien
Traverse 50000 distance as Lorien
Not a scratch
Get 8 visual effects
A cat dies 9 times
20 Seconds for two bats
Do not take the purple bait
The magic of friendship
I don't need no handouts
4 Times jumper
What we do in the 10th shadow
5 Lamps to turn off
On the hunt for a bat
999 Bandages
I wield the 5 elements
33 Sync-Ups
I need 40 good men
Stop the evil old man
A stake for a vampire
A d20 of 400
Instant bash
Number go up to 30
Defeat the Baron
50 Summoning orders
50 Shields for my wall
300 Steps
Time travelling twice for victory
25 With a single blow
4000 Pounds of jelly
A total of 2000 natural 20 damage
A red and a blue bat
6000 Bones to pick
500 bones under the sword
100000 Wounds Inflicted