Between the two of them, they are able to push both sets of doors open without any notable damage. The same cannot be said of the chamber inside. It's a very large, with fumaroles scattered along the ground and a waterfall of magma coming from the back wall. The air here is so hot that just breathing it in burns and you can feel yourself sweat even with 'Zad's heatproofing magic. Those without fire resistance or some other way to mitigate the constant damage it deals should exercise extreme caution in venturing further.