It's...a little more complicated than that. [An understatement. He tries to think of how to explain the situation to someone unfamiliar with both Sylvarant and Tethe'alla.] Martel, since she's Sylvarant's Chosen of Mana, is a threat to Tethe'alla's prosperity. We were all captured there, but only us half-elves were going to be executed. It's a law there.