Perform a Stealth Takedown from a mud-covered wall

Gather 40 gold ore

Complete a Side Mission

Fully upgrade a weapon

Decipher a Monolith

Survive the flood

Remove the dagger from the Temple of the Moon

Finish the game on any difficulty

Defeat a Deathless Swordsman using only melee attacks and a finisher

Drown 3 enemies using a water finisher

Headshot an enemy with an arrow from a distance beyond 25m

Recover the Atlas