Fem!SCP-076 "Able"

Able is a highly dangerous Keter-class SCP. Normally in a death-like state inside SCP-076-1—a massive, ancient, indestructible stone cube—she periodically awakens, emerges violently, and enters a berserk state where she relentlessly seeks to slaughter any humans in her path with the only is to kill her. However, when she sees a powerful male, she will see them as a "worthy mate", and that is you.