After Awakening the Shielding System, I Went on a Killing Spree

I transmigrated into the body of a prince's heir, and the moment I opened my eyes, the female lead used me as a shield. Facing the male lead's marriage proposal, she sobbed, "Yunxiao, I'm the adopted daughter of the prince's family, destined to marry the heir. Just forget about me!" Just as the enraged male lead was about to tear me in two, at the critical moment, I awakened a system that could block prohibited words. Original plot: "[As a great general, Zhao Yunxiao is said to be able to kill one person in ten steps on the battlefield. How could these servants possibly stop him?]" I blocked "kill one person in ten steps" as "kill one person in ten steps." Thus, the male lead, as a great general...