Darkfire Dragon + Air Marmot of Nefariousness → Flame Cerebrus

Darkfire Dragon + Phantom Ghost → Dragon Zombie

Darkfire Dragon + Dorover → Spike Seadra

Darkfire Dragon + Twin Long Rods #1 → Spike Seadra

Darkfire Dragon + Droll Bird → Crimson Sunbird

Darkfire Dragon + Kaminarikozou → Thunder Dragon

Darkfire Dragon + Kagemusha of the Blue Flame → Flame Swordsman

Darkfire Dragon + Flame Ghost → Dragon Zombie

Darkfire Dragon + Trap Master → Flame Swordsman

Darkfire Dragon + Fiend Sword → Flame Swordsman

Darkfire Dragon + Skull Stalker → Flame Swordsman

Darkfire Dragon + Hitodenchak → Spike Seadra