Metaltron was a Dalek warrior and a one off antagonist in the Doctor Who episode "Dalek". He is featured as a minor antagonist in the Nonspecific Villains War.
Nonspecific Villains War[]
vs Stormtroopers[]
Metaltron was ordered by the Dalek Emperor to board a Star Destroyer owned by the Galactic Empire and then detonate itself, destroying the ship. While several Stormtroopers attempted to stop Metaltron, the mission was ultimately successful, and both Metaltron and the people on the ship were killed in the explosion.