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