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