The party first encounters Terry in Arkbolt, where they learn the King is offering a powerful sword to whoever can slay the hacksaurus that has been terrorizing the area. Once the party reaches the hacksaurus's lair, they discover that Terry has already arrived. He then proceeds to slay the hacksaurus by himself, leading to him claiming the King's reward. Terry also appears in Dragon Quest Monsters, in a younger and non-villainous role.