Complex sentence: Confronted by the protagonists at the game's conclusion, Kefka reveals his nihilistic motivations: when the protagonists reject his claims, Kefka goes berserk and proclaims his desire to eradicate everything.
Split into simpler sentences: Confronted by the protagonists at the game's conclusion, Kefka reveals his nihilistic motivations. When the protagonists reject his claims, Kefka goes berserk and proclaims his desire to eradicate everything.