Ben 10 Ultimate Form: Heatblast (2) by Spyro2108 on DeviantArt

Heatblast Redesign by crystalmoon101 on DeviantArt

Ask Ben! Q2 by Spyro2108 on DeviantArt

Ben 10 OC alien, Octydra by Humatrix-X-24 on DeviantArt

Ben 10 New Omniverse: Braindead by Spyro2108 on DeviantArt

Ben 10 New Omniverse: Mirrage by Spyro2108 on DeviantArt

Ben 10 New Omniverse Negative X: Obsidian by Spyro2108 on DeviantArt

Ultimate Heatblast (Remake) by Animallover4813 on DeviantArt

Ben10 Crossover Alien: Ravage by Spyro2108 on DeviantArt

Alternate Flavours #1 Heatblast by MrMustart on DeviantArt

If Ben 10 (Omniverse) had all the powers in his Omnitrix in one form, how powerful would he be? - Quora

Ben 10 Ultimate Form: Eye Guy (1) by Spyro2108 on DeviantArt

How powerful would Ben 10 be if he was in the DC Universe? - Quora