Diminutive lord of House Mormont Lyanna proved an incredibly skilled negotiator for her age, and Jon and Sansa underestimated her.
As far as I understand you’re a Snow and Lady Sansa is a Bolton … or is she a Lannister?
Many lords would simply dispatch an army of soldiers, but Lyanna will apparently be marching with hers.
Game of Thrones season 6 episode 7 – ‘The Broken Man’ – was largely given over to a returning character, but it was a brand new one that had its best scene.