Here is the full list of all 32 Elderand achievements.
Purge all evil
Defeat Dan’nuhrr
Explore 100% of the map
Kill 50 Mysterious Mourner
Defeat Erik Zan
Defeat the Chaos touched reject trio
Save Eloria
Forge the Glimpse of the titan
Defeat Eloria
Defeat Elderu'tamah
Take the throne
Defeat Amon
Win in the arena mode
Refine an equipment to the max
Collect 30k gold
Help Eran
Defeat Black Virtue
Perform all rituals
Perform a special attack for the first time
Free Elderu'tamah
Defeat Sserthris
Defeat the Chaos touched reject
Unlock the fast travel
Make a potion for the first time
Upgrade your equipment for the first time
Find Pascal's hammer
Help Guam
Defeat Shakna
Defeat Rok'naar
Get to level 100
Put an end to the cult
Collect all the notes