Leonel didn't seem surprised by the change. This couldn't be called a betrayal, Maxx hadn't been lying when he said that he had done his best.
If Leonel was escorted to this Overlord Poppy, as Maxx called her, then taking the World Spirit of the Spirituals would be as easy as just thinking it. By then, it would be clear that the Suiard Overlord hadn't betrayed the Spirituals and simply had his hands tied.
But because Tracilia was so cautious, things had turned out this way instead. The best way to solidify this current rocky relationship was to use Leonel as a sacrificial lamb. Of course, this didn't mean that the Suiard Overlord wanted to kill Leonel, he didn't have such intentions. Rather, knocking Leonel out would make corralling the Morales army easier, than the rest could be dealt with in the future.