The Fireverse is a verse made out of fire, obviously. It's the 12th hottest verse (1,800°F, the actual temperature of fire), as the hottest verses are the Calideissoleverse and every Lvthxverse. The Fireverse can't burn any other verses, of course, but a Fireversian would immediately catch fire.
Most popular alternatives are Pyroverses
Community content is available under CC-BY-SA unless otherwise noted.