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