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