After releasing the prisoners. the group makes its way to the throne room. What does Conner see and do that puts everyone in jeopardy?

Conner sees a large stone crown above the Goblin King and the Troll King, and he realizes that this crown is one of the items in the Wishing Spell's list. He then climbs on top of the kings' throne to grab the crown. He has to jump up and get it, and once he does, he accidentally lands in the Goblin King's lap.