Here is the full list of all 50 Disciples: Liberation achievements.
Spend the night with another character.
Upgrade your first item.
Finish the main story of the Plains of Widows.
Complete the Prologue.
Finish the main story of Grayleaf.
Finish the main story of Heurik.
Finish the main story of the Whitelands.
Finish the main story of Veranto'or.
Finish the main story of Wotan's Grave.
Finish the main story of the Path of Flesh and Flame.
Finish the main story of Atellean.
Finish the main story of the Lows.
Finish the main story of Queen's Nest.
Finish the main story of Barat Nor.
Finish the main story of the Return to the Castle Hale.
Finish the main story of the Nexus.
Face the being at the Altar of Ascension.
Win 100 battles.
Invest 100,000 gold in Yllian.
Load from a previous quicksave.
Cast 100 spells.
Acquire your first legendary item.
Complete the Warrior skill tree.
Complete the Magic skill tree.
Complete the Nephilim skill tree.
Reach Level 80.
Recruit Sharlea.
Recruit Illmeren.
Recruit Sebastien.
Recruit Melendrach.
Complete Corisandre's story.
Complete Ejamar's story.
Complete Ormeriel's story.
Complete Bagthal's story.
Complete Orion's story.
Complete Illmeren's story.
Complete Sebastien's story.
Complete Melendrach's story.
Complete a romance with any companion.
Acquire any faction's Legendary Armor.
Maximize the level of Yllian's castle.
Acquire your first Tier IV spell.
Equip Avyanna with only legendary items.
Perform your first ultimate skill.
Defeat Mortis.
Upgrade a Legendary item to +5.
Win a battle without taking damage.
Complete Sharlea's Questline.
Maximize your reputation with a faction.
Become Friendly with every faction.