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