Courtesan Guild Challenge – Kill 20 enemies with a crossbow without being detected

This is my tutorial for Assassin’s Creed Brotherhood, Courtesan Guild Challenge, How to complete the Kill 20 Enemies with a Crossbow without being detected.

If, like me, you went too far in the game and are now running all over Rome killing every guard in sight & getting nowhere but frustrated, then you need this tutorial.

It’s not a glitch in the game as many people think it is, you just simply went too far to be able to finish the challenge. So this tutorial will show you how to finish it.

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