Giant Whistle

The Giant Whistle is a power skill which summons a hand from the Giant to smash the strongest nearby enemy.

Trivia

 * It may be a reference to a dog whistle, which are used to summon pet dogs. In this case, the Giant is serving the Beheaded.
 * It may be a reference to the Old Bell in Don't Starve, which calls down a giant leg to do damage in the area.