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