Collect 10 gifts.

Kill an enemy with fall damage by knocking them off a ledge.

Dress up as a legendary thief.

Defeat the maximum amount of enemies within a single Standoff.

Acquire all the throwable Ghost Weapon techniques.

Shoot a Terrified enemy with an arrow while they are fleeing.

Kill 20 Enemies with the Pistole

Kill 20 Enemies with Gunfire While Hanging

Kill 100 Enemies with Headshots

Find the Strange Relic

Kill 5 Enemies in a Row with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat