Hydra is an inbreeding mutation which causes two individuals to unite during gestation, resulting in two heads in one kise.
This mutation gives them DXT -1 since two heads are quite heavy but ATK +1 since two heads can bite more.
(Not yet available on the template, will be added soon!)
This mutation have a few interactions with markings and other mutations:
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The two heads can have asymmetrical markings. if marking rules allow.
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When blindness/deafness mutation is present, you can either choose to make both heads blind and deaf, or make one blind and deaf the other, or even make only one both deaf and blind.
The mutation malus of blindness/deafness is the same of one-head Kiseilian.
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When Crystal eyes mutation, each head could have colourful eyes or only one of them.
If a Kiseilian has both Hydra and Malformed mutations, when modding the import, it's allowed to "merge" the heads together as much as you desire.
At least three eyes must be visible and we highly suggest to avoid anything too creepy that could hurt the sensitivity of others.
Admins reserve the right to evaluate that and reject the modding if considered too much.