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  Diamondhead is the Race Against Time Timeline version of Diamondhead.


Diamondhead looks just like the Main Timeline's Diamondhead in the original series, but his crystal is darker in color and transparent.

Powers and Abilities

Being a Petrosapien, Diamondhead has the same abilities as his species.


Being a Petrosapien, Diamondhead has the same weaknesses as his species.


  • In Race Against Time, Diamondhead battled Eon, then hid in the girls' changing room until he reverted.


Ben 10

Race Against Time Aliens
DiamondheadGrey MatterHeatblastWildmutt

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