The Petroleum Dragon is the result of breeding a hybrid dragon that has the Sea element with a hybrid dragon that has the Dark element (The Hybrids have been covered in the previous section). The following are the vital stats of the Petroleum Dragon:
| Available At | Level 20 |
| Cost | 500 Gems |
| Hatch Time | 16 Hours |
| Yields | 200,000 Stars upon hatching |
| Habitat | Sea & Dark |
| Resistant Against | Sea & Nature |
| Weak Against | Flame, Dark and Pure Sea |
| Immune Against | Terra |
| Attacks | Stunning Hit Flooding Ghost Cloud Storm |
| Training Centre | Judo Kick Acid Rain The Grim Reaper Whirlpool |
| Counter Dragons | Fire Dragon Pirate Dragon Penguin Dragon Blizzard Dragon Cool Fire Dragon Soccer Dragon Poo Dragon Robot Dragon Zombie Dragon |
| Selling Price | 10,000 Gold |
