Complex sentence: The prime enemy in the second season is the powerful Morgana (Allison), Kale being reduced to her grudging sidekick; the two villainesses do have a clash of egos, but Morgana comes out on top.
Split into simpler sentences: The prime enemy in the second season is the powerful Morgana (Allison), Kale being reduced to the grudging sidekick of Morgana. The two villainesses do have a clash of egos, but Morgana comes out on top.