The Apocalypse General

Clara Sinclair transmigrates into a bullied Marquis's daughter, poisoned by her stepsister. Surviving, she uses Prince Kaelan Shaw to intimidate her father. She breaks her engagement, severs family ties, and as the Horde invades, joins the army. She annihilates enemies, becoming the first female general. Her father frames her for treason, but she clears her name, eliminates enemies, and marries Prince Kaelan, becoming General Sinclair.