Going Up - Assassin's Creed: The Ezio Collection - ACB

Kill a guard with the bag that drops from a lift - 5

You will need guards to be chasing you, this will probably happen quiet often through your play through of the game. Then you need to be running through the streets and use a Lift. Lifts can be found throughout Rome, the guards need to close enough to crushed by the falling bag from the lift. This might take a couple of tries.

Ezio Auditore using a Lift