A/N: I'm not a big Loki fan, but I was rewatching Ragnorak and Thor's line made me want to write this, so.
This was your doing, Thor says when Father dies.
His voice rumbles, thunder and lightning and his face is lit by a fading light, clouds rolling over and flashes of blue on his fingertips. Fury and anger bleeds into his voice, rare emotions for the jovial, careless Thor who never really felt things deeply (but that has changed, hasn't it? Since his hammer fell to earth, since Odin whispered let him who is worthy).
Thor is different, now, angry, furious, and he does not jump to blame, but he says it anyways.
This was your doing.
Who is he to argue?
Why should he?
Wasn't he, condemning them to this fate? Sending Father to earth, taking over the realms for a glory that could never have truly been his own, hiding beneath the face of a man that he thought he had loathed?
He could argue.
Insult Thor's incompetence, call him a buffoon, remind him of his fight driven mind and the way that he finds it easier to punch things than to deal with politics and precision.
But what's the point.
Truth rings in Thor's words, this was your doing, so Loki steps into a ready stance.
He's fought Thor before, and he'll do it again.
(He'll fight. But he will not argue.)