Kite and Saryth are looking for the sun. Why? Because it's lost...
Crossing between worlds is tiring, especially when the gateway has to be constructed from scratch. So why would Kite choose to cross twice, between different worlds, within hours? It might have had something to do with the angry men chasing them, which in turn might, just might, have something to do with Saryth. He's not saying anything, but he's looking very guilty...