Thor simply gave an honest response.
He had given up.
And then…
He unhesitatingly swung his leg up from behind and kicked Marian Slingeneyer in the side of the head.
The way she collapsed did not look like a human action.
It looked like a stick falling over after being stood on end. It was clear as day that the powerful strike had knocked Marian out cold.

Toaru Majutsu no Index New Testament vol.6 ch.6 pt.1