"Loki!" Thor reached after him but the flat of his hand only met cool, unyielding stone. A wordless snarl of frustration twisted his lips, but of course there was no getting through, and knowing his brother he would be long gone after an exit like that.

"Contempt? What contempt?" Thor shouted after him, his hand curling against the wall. "It is my love for you that makes this so impossible. I cannot wield a knife that cuts my hand."

He touched his forehead to the stone. "Damnit Loki."