An Unlikely Visitor

The young guard returned with a few of his comrades to break down the door. They positioned themselves in front of the doors; a large log in their hands.
“On three!” one of them called.
“One”
“Two”
“Three!”
The guards thrust the log into the doors; but the door didn’t budge.
They tried again, and then a third time.
But on the fourth time, with one giant thrust, the doors caved in. The guards readied themselves to run into the banquet room and extinguish the flames; but the fire had reached unbelievable height and strength.
Flames poured out of the room and the guards ran for cover.