Hydra is a pet that was added in Update 10. The level is approximately 1,000,000. The chance of obtaining is 0.4% (1 in 250). It can also be purchased in the shop for R$11,999. It has 1,000,000 levels when purchased from the shop. It is rated 4.5 stars.
When made gold, the Hydra has a level range of 3,300,000 to 4,200,000.
When hatched as a rainbow, the Hydra has a level range of 12,870,000 and up.
When converted into a rainbow from 7 gold Hydras, it has a level range of 5,500,000 to 7,000,000. It could be good or bad your opinion