Warning Spoilers through Straits of Hell.
Iron Gray Sea
Straits of Hell
|Relationships||Andrew Bates, brother|
|Job||"Soldier of Fortune"|
Sean Bates, also known as Sean O'Casey, was aboard the vessel carrying Rebecca Anne McDonald when it struck a leviathan. He was instrumental in saving Rebecca's life. They eventually ended up on Talaud Island with the S-19. Everyone on the island was rescued by Matthew Reddy and Walker. O'Casey admitted to Reddy that he was in conflict with the Empire of New Britain Isles.