dragons 
 "Your army was defeated and your kingdom burned to the ground - who are you going to tell your king did it?
Me a man, or a sixty foot, fire-breathing serpent snake from Hell?"

 

Name: Dragons
Origin: Supernatural
Gender: All the dragons we've seen were male, there might be females though
Classification: Legendary monster
Age: Over 700 years old (the last time someone seen a dragon)
Powers and Abilities: Super strengthspeeddurability, reflexes and stamina, shapeshiftingflightimmortality (type 1), regeneration (Mid-Low), unaffected by ordinary weapons, pyrokinesis (can melt metal with a touch)
Weaknesses: A weapon forged with dragon blood
Destructive Capacity: Wall level (among the strongest of monsters)
Range: Mele range
Speed: Superhuman, faster when transformed
Durability: Superhuman, immortality and invulnerability makes them difficult to put down
Lifting Strength: Superhuman
Striking Strength:
 Superhuman
Stamina: Superhuman
Standard Equipment: None notable
Intelligence: High; they're intelligent beasts that can even preforms sophisticated magic, have knowledge of Purgatory
Notable Attacks/Techniques:

Transformation: Dragons can appear human, however their true form is that of a winged beast.

Dragon Fire: unlike in legends, dragons do not breath fire. they can however project intense heat from their hands, capable of melting steel and burning people alive.

Notable OBD Victories: 

Notable OBD Losses: 

Other: Not to be confused with other Dragons in fiction or the mythological beasts.