Ontari was a recurring character in the third season. She was portrayed by actress Rhiannon Fish and debuted in Watch the Thrones. Ontari was a Nightblood from the Ice Nation and after Lexa's death came to Polis in order to become the next Commander. However, she never won the conclave but simply killed all other Nightbloods while they were asleep. Moreover, she was missing the Flame that truly made someone a Commander.