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