Originally Posted by
Keltest
If you want to quibble like that, people don't say he was assassinated, they say he was murdered. Ulfric walked up to him, announced his intention to kill him, and then did so. Really, if you take away the context of who the people are, its something you can do a dozen times in the Dark Brotherhood quests, up to allowing them to fight back if you feel like it. Torygg stood no chance against Ulfric, and Ulfric never intended to allow it to come to anything other than a fight. Torygg's acceptance speaks only of his personal character, not Ulfric's.