Here is the full list of all 29 Eredia: The Diary of Heroes achievements.
Defeat Zangierd
Receive the mysterious ring left by your father
Pray at any Shrine of Azeen
Defeat your first True Demon
Own a house in Miralia
Upgrade your house to the max
Adopt any pet
Win any seasonal tournament
Save up 20,000 Sharins
Save up 50,000 Sharins
Join the Mountaineer's Guild
Join the Hunter's Guild
Join the Mage's Guild
Join the Warrior's Guild
Donate over 10,000 Sharins to charity
Step into the world of Arlis
Purchase any amount of chips at the casino
Awaken at least one Shenrigan Tree
Defeat the Smilemaker
Collect your first page from the Diary of Heroes
Participate in the bi-annual auction
Obtain a Miner's Permit in Miralia
Open either of the Temple of Karma's gates
Discover any of the hidden settlements
Purchase your own ship
Defeat Asanthi
Finish the main story of Eredia: Diary of Heroes
Defeat Gara
Finish the prologue