Sure, here is the edited version of your chapter for punctuation and sentence structure:
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Liam opened his eyes, not knowing how much time had passed since he had passed out. He looked down to see his left hand missing, as there was only a stump left. Light passed through the windows, showing that it was daytime.
With a heavy sigh, he sat up and brought his only arm towards his chest, pressing lightly before wincing. "Yeah, I'll need some time to recover."
He then looked at the doorway. "Anyone outside?"
A second after his shout, a man walked in. "Yes, general!"
"Can you ask Master Gotah to come here, please? Same with my family."
With a slight nod, the man left Liam alone. Liam pushed himself backwards until his back touched the wall. Leaning against it, he sighed again before slapping himself.
