Max was at his forge; this is where he was most of the week, as he could now use himself as a furnace, and it was safer for him out on the side of the volcano anyway. Nothing much to burn.

There's a forceful ringing and clanging coming from Max's workspace. If you had keen animal-type ears, you might be able to hear it from quite a distance, even if flying high above the beautiful earth as some sort of orange evolutionary impossibility.