If he was someone else's body, that meant that so was everyone else. He didn't particularly care for or fear the Rapax, but the Barbarians especially, if they were stripped of their powerful bodies, what chance did they stand against him? This was the perfect win-win-win.
Back when he, his mother, and Aina had entered a Zone like this, all three of them had been transferred into the bodies of others. This made Leonel fairly confident that everyone was dealing with the exact same situation.
In that case, what did he have to fear?
The only worry was what would happen once he left the Zone. But while he was in this Zone, wouldn't it be his playground?
"How dare you?!"