Here is the full list of all 42 The Cursed Crusade achievements.
Find all the coffers!
Find all the Blood Crucifixes!
Clear the game on the "Nightmare" difficulty setting.
Clear "The Road to the Peninsula" without losing any of the soldiers pushing the ballista.
Enhance all of your character's Skills to their maximum!
Enhance your character's Armor Mastery to its maximum!
Enhance your character's Weapon Mastery to its maximum!
Enhance your character's Constitution to its maximum!
Enhance your character's Strength to its maximum!
Enhance your character's Templar's Curse to its maximum!
Master all the martial techniques!
Master the Sword and Mace technique!
Clear the game on any difficulty setting.
Master the Axe and Mace technique!
Clear "Hagia Sophia Basilica" on any difficulty setting.
Master the Double Mace technique!
Master the Two-Handed Axe!
Master the Spear and Shield technique!
Defend Constantinople's civilians!
Master the Axe and Shield technique!
Acquire the power Fire Maelstrom!
Master the Sword and Axe technique!
Clear "The Capitolium" on any difficulty setting.
Master the Two-Handed Sword!
Master the Double Axe technique!
Dodge 30 Guard Breaks!
Find the ninth Blood Crucifix!
Master the Spear!
Acquire the power Roaring Flames!
Clear "The Fall of Zara" on any difficulty setting.
Master the Mace and Shield technique!
Master the One-Handed Axe!
Master the One-Handed Mace!
Perform a 100-hit combo.
Perform a 50-hit combo.
Master the One-Handed Sword!
Master the Double Sword technique!
Master the Sword and Shield technique!
Acquire the power Purifying Fire!
Clear "Forest Roads" on any difficuty setting.
Deflect 30 attacks with the Deflection Counter!
Win the Tournament of Ecry.