Mannequin heat resist

Crucible caught the first in his forcefield. He paused a second, then turned it on full burn. The forcefield dissipated, and man, parasites and a circular section of floor were scorched black.

[...]

Crucible caught him.  A forcefield bubble surrounded the figure, pale blue, then flared a brilliant orange-white.

Mannequin would be fireproof, though.  Even an extreme heat like Crucible could create wouldn’t have an effect.  Still, it meant one was contained.

- Sting 26.3