Dark Dragon Balls are a set of dark red Dragon Balls with a black colored star. Uniquely they individually possess the ability to merge with evil entities to power them up, along with their ability to grant a wish when gathered.
It is revealed in the Super Dragon Ball Heroes: Dark Demon Realm Mission! manga that they were created by Demon Gods in order to revive Mechikabura. After their creation by a Time Breaker Namekian, Towa aims to collect all of the Dark Dragon Balls so that Mechikabura can use them to wish for youth. However they scatter through space and time before they can be used and so the Time Breakers head to collect them, coming into conflict with the Time Patrol along the way.
The Dark Dragon Balls are seen attached onto a villain:
- 1-star Dark Dragon Ball: Frieza.
- 2-star Dark Dragon Ball: Cell.
- 3-star Dark Dragon Ball: Kid Buu.
- 4-star Dark Dragon Ball: Unknown.
- 5-star Dark Dragon Ball: Unknown.
- 6-star Dark Dragon Ball: Unknown.
- 7-star Dark Dragon Ball: Unknown.
In the SDBH1 trailer, Xeno Trunks tries to recover the Dark Dragon Ball from Frieza but Demon God Towa appears and stole from them. In SDBH2 trailer, Demon God Gravy attacks Cell to retrieve but Xeno Goku appears and intercepts his actions. In a special trailer, Demon God Dabura join forces with the Time Patrol in defeating Kid Buu, but for his own gain, the Dark Dragon Ball Kid Buu possesses.