Revenge of the Apocalypse Queen

Serena Sullivan is betrayed by secret husband Howard Harris and his lover Laura Lowell during the Apocalypse. She dies. Reborn before Apocalypse with foresight, she chooses an F-Class Purification Ability with limitless potential. Using past memories, Serena cuts ties with the scumbag, transfers assets, hoards 'waste' materials, and builds a fortress. She watches enemies fall, gathers subordinates, battles official forces, and settles scores. She becomes the Queen of the Apocalypse.