He's horribly clumsy and slow to trust people, but he has intimate knowledge of the ancient Owl culture, and how the Anti-Hex relics work.
Crouching Moron, Hidden Badass: Solus.Cranium Ride: You will be riding on the head of the Lava Worm boss after you defeated it.Cape Wings: The cloaks that the descendants of the Owls wear all enable them to fly, even rookie Owls like Otus and Solus.The final shot of the game is him falling to Earth while unconscious, revealing that the plan worked by showing landmasses sitting in the ocean, resting peacefully. Unfortunately, many people died in the quest to save the world, Advent is still destroyed, and it's left ambiguous if Otus survived casting the Anti-Hex. Bittersweet Ending: The Anti-Hex is forged and cast, Molstrom is disintegrated, and the world's landmasses stop floating into space, instead returning safely to the sea below.Boss Arena Idiocy: The Sky Pirates would've had Otus if not for those rocks hanging from the ceiling.Bird People: The Owls, of which Otus is a member of, are a race of owl-like humanoids who fly via cloaks that turn into wings.But stay in the dark for any period of time and they'll start attacking. Fortunately they can't stand any source of light. Swarms of flesh-eating beasties that can get as big as your head. Big Creepy-Crawlies: The bugs on the floating continent.The Atoner: Both Alphonse and Twig defect from the pirates upon being shown how terrible they really are.It turns out they're for fueling the Anti-Hex. So much so that Captain Molstrom destroys the capital city of Advent after getting just one of them. Artifact of Doom: Three of them, created by the Owls, which provide incredible power.