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