Bacta

“Sol would be quite happy to eat all of us in here and never forget that,” he said throwing more bloody gauze on the floor.
“The power needs for a Bacta thank that size about two shuttle engines,” he said.
“That is why they have them in hospitals and on star destroyers,” he growled back.

“It would also take weeks for this to regrow,” he said.
“I don’t think your friends want to give us weeks,” he continued.

“Come here and hold this,” to Serenity again as an order wanting her to hold his leg as it was cut off.
“What is your name and what do you do besides bring supplies?” He asked.