SkunkyArt | RealVenomousFang

Regeneration limit: Despite being able to regenerate at a high rate, Diamondhead's body has a limit to the amount of damage it can recover from.
Sonic attacks: Diamondhead is especially weak to sonic vibrations, if powerful enough they can knock Diamondhead unconscious or shattered.

Crystallokinesis: Diamondhead's body is made of a crystalline material which he can manipulate at will, being able to modify his limbs to turn them into weapons such as sharp objects, maces, shields, among others, shoot sharp shards of crystal from his hands as well as make crystalline formations grow rapidly from underground and emerge to the surface at high speeds and from a great distance to strike, trap his opponents or make them levitate to throw them.

Regeneration: Diamondhead can regenerate lost limbs and body parts.

Energy Reflection: Diamondhead's crystalline body resembles a living prism, allowing him to deflect and absorb most energy beams and disable laser-like weapons by simply refracting them.

Enhanced strength: Diamondhead possesses enhanced strength, being able to throw and crush a car with his bare hands.

Increased resistance: The material of which Diamondhead's body is made of is incredibly resistant to any physical attack, being able to resist dangerous substances such as fire and acid, in addition to this, this material is immune to the effects of aging.