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