Ainz, furious at the unexpected chaos, authorizes Albedo to make Philip suffer, resulting in one of the darkest subplots of the season. The End of a Kingdom (Renner's Reward)
Princess Renner, who has been working with Nazarick all along, orchestrates the fall of her own country. She is rewarded by being turned into an Imp, allowing her to stay with her beloved Climb forever, proving her "humanity" was just a mask. Overlord IV (Dub)
Philip is so stupid that he acts outside of Demiurge's intricate schemes, attacking a sorcerer kingdom supply convoy. This action provides the "legitimate" excuse Nazarick needed to initiate total annihilation. Ainz, furious at the unexpected chaos, authorizes Albedo