I don't know what you mean by cool fire,but I know what elements you're asking for. You can't breed fire and cold together directly because they're opposites.If you want a hybrid that has the fire and cold element. Here's what you should do.
Fire Hybrid + Cold Hybrid = Blue Fire
Cold Hybrid +Fire Hybrid = Frostfire
to breed cool fire dragon first breed ice cube+hot metal dragon
you breed ice dragon and flame dragon
its impossible to breed cool fire dragon with 100 percent chance
how to breed cool fire
breed armadillo and armadillosoccer dragon+pirate dragon=wind dragon
Breed icecube+hotmetal=cool fire
how to breed cool fire
Cool Fire+Soccer
how to breed cool fire
JKVHFSKGV
earth+metel
actually cool fire breed flaming rock nad ice