User blog comment:Master Sima Yi/Assassinews 25-03-'13 — Assassin's Creed IV: Black Flag gameplay trailer/@comment-4504019-20130327101757/@comment-4829046-20130328163510

I would prefer if he used a PoE to extend his breathing, because any other means are too far fetched. In Far Cry 3 you had to get the special skill to extend your underwater time, and that was actually scary, what with the blurry vision, gasping for air, and the random heart-attacks from sharks and Mantas.