Memory 8 - The Mentor's Keeper - Assassin's Creed: Revelations

Full Sync - Save all citizens under attack.  

Guide for Assassin's Creed The Ezio Collection - Assassin's Creed: Revelations Story Walkthrough

The Mentor's Keeper, Assassin's Creed Wiki

The Mentor's Keeper, Assassin's Creed Wiki

AC Revelations - Sequence 3 Memory 8 - The Mentor's Keeper - 100% Sync - Walkthrough

S3 M8: Mentor's Keeper - Assassin's Creed: Revelations Guide and Walkthrough

Memory 8, Sequence 3 - Lost and Found - Assassin's Creed: Revelations Game Guide & Walkthrough

Memory 2 - The Sentinel, Part I - Assassin's Creed: Revelations Guide - IGN

Memory 6 - Escape - Sequence 7 - Underworld - Primary Memories, Assassin's Creed: Revelations

Memory 7 - Quid Pro Quo - Assassin's Creed: Revelations Guide - IGN

Assassin's Creed Revelations 100% Synch Walkthrough - Sequence 3 - Memory 8 - The Mentor's Keeper

Fond Memories achievement in Assassin's Creed: Revelations

Assassin's Creed: Revelations - Sequence 3 - Mission 8 - The Mentor's Keeper (100% Sync)