[That sounds like Gai, yeah. Shu knows how capable Gai can be even though he's injured. Soreness shouldn't even be a concern. There's something he can do to remove soreness. It looks like Shu's been carrying some herbs and leaves with him this whole time. ]

Get me a bowl and some hot water. [He means business now.]

I'll prepare something that should help. I'm no healer, but this is just a precaution to remove pain or numbness. I learned how to do at least that much.