Maybe a Danger Sense??? Enhanced Senses???
Which leans toward the nature of the ability, the claws used to maul the baddies, or how he/she was alerted of the lady's danger?
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)