"Ave Satani!" Somewhere in the insane keening babble, the burning man utters one last coherent scream.
And then he falls into nothing. Into air and fiery vapours. He tumbles downward like a falling star and ends with a liquid thud, his burning bright shining the outlines of a carefully hidden trapdoor and tunnel...
But David Silver doesn't exactly see that.
The Beast screams. Fire burns! Frenzy follows.
Silver's howl joins that of the burning man.
David takes a total of 5 Aggravated damage from the fire (4 from the size and severity of the flames, +1 for Mekhet weakness).
The fleeing Beast - for that is all David Silver is right now - hurtles through the window like a burning missile.
Those by the window need to Resist Frenzy: Resolve + Composure, 3 success needed. No penalties - flaming Kindred should have been a reasonable assumption as a possible outcome.