Complex sentence: Artemis acted as her tribe's Shim'Tar until Queen Hippolyta abolished the Amazon's Monarchy rule, after which Artemis set her position as Shim'Tar aside to become the Amazon nation's co-ruler beside the Amazon General Phillipus.
Split into simpler sentences: Artemis acted as her tribe's Shim'Tar until Queen Hippolyta abolished the Amazon's Monarchy rule. Afterwhich, Artemis set her position as Shim'Tar aside to become the Amazon nation's co-ruler beside the Amazon General Phillipus.