Kahlil winces himself at the harsh edge to Castiel's tone when he answers, but he understands and takes the hint. He won't pry into that part of what just happened.

There are alcoves with benches in the walls, and while Castiel sits Kahlil stands in front of him, arms crossed as he processes the information.

"His eyes were normal when he walked in," he says, a little hesitantly. As an excuse? There's a tinge of guilt to his expression that he tries to banish, eyes fixed on the stone ground.

"I thought maybe he'd been found alive and I just hadn't heard through the grapevine. We've only met once or twice before."

And he'd listened to his cock instead of his instincts, so there's that. He grimaces slightly, then shakes his head before glancing up at Castiel's face again.

"What can be done to... restore him?"

Angels don't exist in his world, but demons did.