Villainous collector in Wrath of the Dragon.
Hoi repeatedly deceives and exploits Tapion to revive the monster.
Hoi presents the music box as a means of releasing Tapion, later claims Tapion is the true threat, and seeks Tapion's half of Hirudegarn.
Hoi opposes Trunks when the boy protects Tapion and the ocarina.
Hoi attempts to steal the ocarina during a scuffle, while Trunks takes it and sides with Tapion.
Hoi indirectly creates the central threat faced by the heroes.
Hoi's actions release and revive Hirudegarn, leading to the citywide destruction that the fighters must stop.
Their actions support opposing outcomes for Tapion and the monster.
Bulma helps Tapion contain Hirudegarn and later provides the time machine, while Hoi seeks to complete the monster's revival.
Explore the full interactive character relationship map of Dragon Ball Z: Wrath of the Dragon