Darkfire Dragon + Pale Beast → Flame Cerebrus

Darkfire Dragon + Little Chimera → Flame Cerebrus

Darkfire Dragon + Violent Rain → Spike Seadra

Darkfire Dragon + Penguin Soldier → Spike Seadra

Darkfire Dragon + Obese Marmot of Nefariousness → Flame Cerebrus

Darkfire Dragon + Liquid Beast → Spike Seadra

Darkfire Dragon + Twin Long Rods #2 → Spike Seadra

Darkfire Dragon + Electric Lizard → Thunder Dragon

Darkfire Dragon + Armored Starfish → Spike Seadra

Darkfire Dragon + Snakeyashi → B. Dragon Jungle King

Darkfire Dragon + Succubus Knight → Flame Swordsman

Darkfire Dragon + The Thing That Hides in the Mud → Stone D.