The Mentor's Keeper

The Mentor's Keeper is a memory in Assassin's Creed: Revelations.

Description
Altaïr, 24 years old returns to Masyaf to find that Crusader Templars have attack the location with the Assassins protecting the civilians and themselves from the chaos. He charges with his horse killing one Templar and another with his throwing knife, letting the outnumbered Assassin survive the attack. While Altaïr helps the Assassin up Abbas Sofian tells him to save Al Mualim.

Altaïr travels up Masyaf to the Assassin's fortress where he is stopped by a Templar, claiming they would kill Al Mualim if he came any further towards the castle. Altaïr stopped and then took an alternate way to kill him.

Outcome
He saves Al Mualim.

Trivia
To achieve full synchronization, Altaïr must save all civilians.