666 (Trihexa) is a legendary being known as the Apocalyptic Beast and is stated to be on par with Great Red and Ophis in her full power. It is the Beast recorded in the Apocalypse.

Powers and Stats

Tier: At least 6-C, likely higher | Unknown

Name: Trihexa, Apocalyptic Beast, Emperor Beast of Apocalypse

Origin: High School DXD

Gender: Male

Age: Unknown

Classification: Dragon of Apocalypse

Powers and Abilities: Superhuman Physical CharacteristicsFire Manipulation, Regeneration (At least Mid-High), Clones (Can split its head into several bodies), Flight, Breath Attack, Immortality (Types 1 and 3)

Attack Potency: At least Island level, likely higher (Engaged in a brawl with Sirzechs Lucifer, although was overwhelmed) | Unknown (Was stated to be able to destroy the world in a battle with Great Red)

Speed: Possibly Massively Hypersonic+ by scaling (From Ddraig) | Possibly Massively Hypersonic+

Lifting Strength: At least Class 100+ simply because of its size

Striking Strength: At least Island Class, likely higher | Unknown

Durability: At least Island level, likely higher (Repeatedly survived and instantly regenerated from Sirzechs' Orbs of Destruction which destroyed half of a small island) | Unknown

Stamina: Very High

Range: Hundreds of kilometers

Standard Equipment: None notable

Intelligence: Should be very knowledgeable because of age and experience

Weaknesses: Dragon Slaying Weapons

Notable Attacks/Techniques:

  • Fire Breath: 666 can fire a powerful fireball from one of its heads.
  • Flight: Trihexa is shown to be capable of flying without wings. Although the core of Trihexa is able to sprout six wings (bird, dragon, bat, and various other beasts).

Key: Core | True Form


Notable Victories:

Notable Losses:

Inconclusive Matches: