Sometimes it feels too good. Almost instant kill and long area denial. I have several times walljumped over flame pit, but then this small flame particle hits and I'm dead. When looking movies, you could assume buildings burning and fire spreading. Perhaps people running screaming while they are in flames. Now it's more like mathematical weapon, where you protect certain objective by litting it on fire. I think molotovs impression should be more brute and smoky. This could be done by several upgrades like this:
What do you think?