The Brotherhood

The Brotherhood was a long lasting creed of assassins, but unfortunately met its practical end when it had its last war against a rival group, leaving Drake the only noticeable survivor, but Valerie made it out too, wherevershe may be now, it made Drake think about who else survived, however the one person he knows didntt, his mentor, who met his unfortunate end in Drake's arms, by being slain by his own rival, avenged almost instantly by Drake himself.