Tapion

Centuries before the events of Dragon Ball Z, a terrible phantom monster called Hirudegarn terrorized the planet Konats. A Konatsian wizard devised a desperate plan: using enchanted ocarinas and a magical sealing technique, the monster was split in half, with each portion sealed inside the bodies of two brothers. Tapion received the upper half of Hirudegarn, while his younger brother Minotia contained the lower half. Both were then encased in music boxes and launched into space to prevent the creature from ever reforming.

Tapion's imprisonment lasted for over a thousand years, an unimaginable ordeal of isolation. When the sorcerer Hoi manipulated the heroes on Earth into opening Tapion's music box, the warrior found himself in an unfamiliar world, burdened by the knowledge that the monster inside him could break free at any moment. He used his enchanted ocarina to keep Hirudegarn suppressed, playing haunting melodies that maintained the seal even as the creature fought to escape.

His relationship with Trunks became one of the emotional pillars of the film. Despite initially pushing others away to protect them, Tapion gradually opened up to the young Saiyan, who reminded him of his lost brother Minotia. Trunks, in turn, idolized Tapion and refused to abandon him even when the danger became overwhelming.

When Hirudegarn finally broke free of its containment, Tapion faced the nightmare he had carried within himself for centuries. The full-power Hirudegarn proved devastating, shrugging off attacks from multiple fighters including Gohan, Gotenks, and Vegeta. Its ability to dematerialize and reform made it nearly impossible to pin down, and its sheer destructive power leveled entire city blocks.

Tapion attempted to reabsorb Hirudegarn and asked Trunks to kill him while the beast was contained, a sacrifice he was willing to make to end the threat permanently. When this plan failed and Hirudegarn broke free again, it was Goku who delivered the finishing blow using his Dragon Fist technique, destroying the monster at last.

With Hirudegarn destroyed, Tapion was finally free from the burden he had carried for so long. Before departing Earth to return to his own time, he gave Trunks his sword as a parting gift. This moment has led many fans to speculate that Tapion's sword is the same weapon Future Trunks would later carry, creating a poetic connection across timelines. Tapion's story resonated as a tale about sacrifice, loneliness, and the bonds that form between kindred spirits, even across the vastness of time and space.