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