A strong smell of hot iron hit his nose, and a loud ringing of a hammer striking an anvil hit his ears. A small stream of sweat ran down his strong body from the heat of the blacksmith, his muscles were tense from long work with a hammer. A couple of hot coals fell on the god's leg, but since it was not real flesh but an iron prosthesis, Hephaestus did not flinch

Bloody hell...

The work took too much energy and time, so the god was already breathing irritably