"I'm not exactly one of Zeus', would he even care?" But Nike was one of his, so maybe that gave Theseus a little leverage. He had that same sinking feeling that it wouldn't be as easy as just him doing Poseidon's dirty work. Either move he made he felt wasn't the best option, but he was choosing the lesser of two evils he thought. None of this was just a black and white answer and he hated it. He needed to think it through.