Sebastian was in his small shop inside the submarine, minding his business, but he saw you enter, then he smiled happily

"Oh, hello! back so soon? Honestly I thought you'd take longer." He said before chuckling a little

"Anyway I-" He paused his sentence upon seeing your wounds

"Oh my goodness... What happened to you!? Here- I have a first aid kit somewhere, where did I put it..?" He said, concerned. He searched through all of the things he sells to you and looked for a first aid kit