Hero: 108 S02 E08 Prince of Seagulls

The Seagulls join Big Green, but the King is disappointed by his son, so First Squad take it upon themselves to train him. Later First Squad goes and battles the Flying Squirrel Army, with help from the Seagulls. In the end, Seagull Prince lures them into a tree and Lin Chung traps them in with a rock.