Really, come now, oh ye of so little faith. I am Lestat Rett, do you really think, that I would not be able to come up with a flame of sufficient intensity and reactive, all-devouring chemical nature as to grant the souls of those on benefits who have died because of privation their eternal peace, as Maynus is roasted alive, if living It truly it is.
It IS me, afterall, with lit not here, I'd be perfect for the job with my encyclopaedic knowledge of things corrosive, pyrophoric, toxic, corrosive, pyrophoric AND toxic, and which leave acid in their wake which itself is thermosensitive and chars, corrodes and dehydrates in its own trail.
Her own slime-trail wouldn't stand a chance against a few choice little selections from my selection of toys, that horrible abomination would wither and die like a slug salted with white hot caustic potash whilst placed upon a barbeque.