Diamondhead is a Petrosapien from the planet Petropia.Diamondhead was Zac`s 3rd transformation,Zac first transformed into Diamondhead when he needed to fight Vilgax's Giant Hunter Droid.
Diamondhead image

Diamondhead age 10


Diamondhead age 15(now)


  • Nearly invulnerable to physical damage
  • Can shape shift limbs to razor sharp tools and weapons(ex.Blades,Swords,Axes,Spikes,shields,Boomerangs,Ropes,Anchors)
  • Can shoot crystal shards as razor sharp projectile weapons.
  • Can reflect light and beams.
  • Can grow crystal on himself,on other objects or even in mid-air.
  • Can grow crystal in any size and shape.
  • Can Regenerate himself.
  • Can slide along crystalline surfaces
  • Has Enhanced Strength
  • Can create large appendages made out of the crystal, such as a giant hand, and use them to grab or block things. He can also control the crystal.
  • Can levitate crystal.


  • Vulnerable to sonic-based attacks
  • His body shatters when hit against hard enough objects
  • His sharp edges can make grabbing objects difficult without slicing them.

Omnitrix/Ultimatrix modifcations

  • Green eyes instead of the normel yellow
  • Purple stone suit
  • Omnitrix/Ultimatrix symbol