Get all Hidden Blades, Item Pouches and Armor upgrades for Ezio.

Unlock all 20 pieces of Subject 16's video.

Reach 80% of your stronghold's total value.

Perform a Leap of Faith from the Top of Florence's Giotto's Campanile.

Beat the game

Solve the Three Judges

Acquire the Boreas Icestorm

Kill Cronos

Gut 3 Centaur Generals

Kill the Poseidon Princess

Kill Hermes and acquire his Boots

Cover Kratos in 500 buckets of blood by killing the enemies

Kill Hades