After defeating Hans, you are intercepted by Iago on the way to the Bottomless Canyon.

Seize

To end this battle, you have to defeat Iago and seize the tile that he was standing on.

After a couple of turns, Xander and Leo join you, and after another turn, Peri, Laslow, Niles, and Odin show up. They start in the northeast corner of the map.