Can my vampire have a baby with my mermaid without any problems?

Correct; vampire or mermaid, but not both.

Someone in this forum have posted regarding this, he/she got the hybrid of both but it was quite a mess, the child gets vampire energy and hydration bar, and vampire dark form Iirc, but if the hybrid switch to alternate form the face glitched out.

Sul Sul and thank you all for your replies! You really helped me a lot! :)

@izecson , yes I read that too, that’s why I was a little worried. But the case there was, that a vampire actually has bitten the mermaid. The transformasion has caused issues, because hyprids ar not allowed.

Anyway, I'm happy that I can have a baby now! I hope the baby will become mermaid girl <3

Genetics are broken for mermaids so the babies don't look like either parent. But I think there's a 50/50 chance that the baby would be vampire or mermaid.

Either way, they'll be extra thirsty! ;)