Board Thread:Lore Discussion/@comment-24.139.116.236-20131222233804/@comment-1470368-20191201184248

Ulfric's already killed Nords who didn't side with him in Markarth, and his demands to Balgruuf are further proof of his extremism & hypocrisy, so there's no doubt the Stormcloaks were responsible for the Karthwasten massacre.