Alright, so, control--check. Then this was an emotional thing. Just as well, Loki could and would sit to help her wade through it to the best of his ability. He was no councilor and certainly not the first person anyone would go to for advice, not that it was about to stop him.
He almost couldn't make out what she'd said amongst the new tears and muffled sinking of her head between her knees. But he was not hard of hearing, and the thought of Elsa killing anyone didn't sound at all like the truth. Surely, it was some sort of accident, or a mistake.
Regardless of the circumstance in how or whom, Loki scooted closer, one hand to balance along the floor, the other hoovering. He wanted to offer her some sort of comfort but in the how he wasn't sure yet. Too well the DemiGod knew what it was to live with memories of killing, in the worst sort of ways, weighing on the conscious. In whatever manner it had happened to Elsa he understood that this was exceptionally bad for that self loathing problem she had, and was now correlating to her want of him to leave.
"Who?" He asked gently, giving her time to catch a breath in between the beat of sad information she wasn't forthcoming with. "Was it--An accident? What happened?"