I felt pressure building, even through calling my own fire. But this pressure came from outside me, from my right, leaking in under the sturdy steel and wooden door guarding the exit. I only had one moment to understand what that pressure meant, to turn and shout, "Down!" to Jack and Samuel, before said solid door burst inward, shattering into countless shards and splinters, the force of the implosion powerful enough to drive me to the ground.

I was buffeted by heated air, ...