After Changing to the Ruthless Way, the Whole Immortal World Begged Me for Forgiveness.

She was transformed into a vicious female supporting character in the novel about cultivating immortals. After her fiancé and junior sister jointly deposed her as a cultivator, she changed to the path of ruthlessness and wiped out her past along the way - by the time they cried and begged for forgiveness, she was already ruthless and could be forgiven.