He's heading south. 他南下了

216. It's your brother Robb.
     是你哥哥罗柏的事
217. What?
     什么事
218. What about him?
     他怎么了
219. He's heading south.
     他南下了
220. To war.
     去打仗
221. All his bannermen have rallied to his side.
     所有的封臣都集结在他周围
222. They'll keep him safe.
     他们会保护他的安全

来自《权力的游戏 第一季 第九集 Game of Thrones S01E09 奈德被斩首》第 219 行