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Ull was first seen during an attack on the Wenja village. Takkar darts to him however he grabs him in an instant then mock the Wenja warrior before ordering his men to massacre the villagers. After driving out the Udam, Takkar promises a traumatised Sayla to kill Ull then collect his ears.
Takkar plans to attack Ull's home however he is ambushed and then knocked out. When he awakens Ull's daughter is poking Takkar with a stick, Ull demonstrating his cold nature murders another prisoner who was causing a distraction. He mocks Takkar before walking away with his daughter, granting the Wenja the chance to escape.
After returning to Udam land, Takkar engages in a brutal right with Ull, using icicles to stun him then later attack. When he is badly injured Ull rushes to his newborn son before telling Takkar to protect his children and dies peacefully. Takkar respectfully tells Ull's spirit to walk free.