Darkfire Dragon + Shadow Ghoul → Skelgon

Darkfire Dragon + Wall Shadow → Flame Swordsman

Darkfire Dragon + Sanga of the Thunder → Twin-headed Thunder Dragon

Darkfire Dragon + Monster Tamer → Vermillion Sparrow

Darkfire Dragon + Pendulum Machine → Metal Dragon

Darkfire Dragon + Giltia the D. Knight → Vermillion Sparrow

Darkfire Dragon + Zone Eater → Spike Seadra

Darkfire Dragon + Steel Scorpion → Metal Dragon

Darkfire Dragon + Ooguchi → Spike Seadra

Darkfire Dragon + Swordsman from a Foreign Land → Flame Swordsman

Darkfire Dragon + Leogun → Flame Cerebrus

Darkfire Dragon + Saber Slasher → Metal Dragon