Dragon
Guardian Star:
Mars
Venus
Scorching flames
that wipe out
enemies in a blink
of an eye.
168 Darkfire Dragon

A sacrifice for summoning
= Dragon Serpent Night Dragon
 
Can be fused into
= Dragon Curse of Dragon
Dragon Red-eyes B. Dragon
Dragon Thousand Dragon
Insect Cocoon of Evolution
Machine Metal Dragon
Pyro Flame Cerebrus
Pyro Vermillion Sparrow
Rock Stone D.
SeaSerpent Kairyu-shin
SeaSerpent Spike Seadra
Thunder Thunder Dragon
Thunder Twin-headed Thunder Dragon
Warrior Flame Swordsman
WingedBeast Crimson Sunbird
Zombie Dragon Zombie
Zombie Skelgon
 
Can be fused from
= Aqua Zone Eater
+ Trap Widespread Ruin