User blog comment:Wagnike2/9 Things You Need to Know about the Assassin's Creed series/@comment-67.49.137.87-20121219204554

Altair killed Robert de Sable because he had to, Ezio at first wanted revenge against the Borgia, but learned it wasn't the answer. WIth Connor it felt as an obssession that even finding out who burned down his village he wanted Charles Lee dead no matter what.