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