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