So it looks like a smilus kings inherently has the capability to produce all primal variations but there's no specific boost to producing smilus, felis or ferus (without items).

for example:
Smilus king x lioness = technically any mutation but inherent chance of primal, primal (smilus) & primal (felis)

Smilus king x Primal or primal (felis) = same odds as above as primal & primal (Felis) lioness don't increase odds

Smilus king x Primal (Ferus) =Higher odds of producing primal cubs over all with the addition of being possible to produce smilus, felis & furus (rather than just smilus & felis)

bare in mind that without items the odds of producing primal variations aren't boosted anymore then random chance when producing primal cubs in general

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extra- I am famously terrible at explaining things & I don't know the specific roll order for primal variations but i hope this helps in some way; the description for pennyroyal isnt ideal but essentially;

with pennyroyal odds of rolling smilus & felis onto a primal cub is increased, for ferus i 'think' you only get the boost for ferus when BOTH parents are ferus.
so if you used it for Smilus x Ferus, you would get the boost for smilus & felis but odds of getting ferus will be present (from mother) but not boosted in any way.

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@𝓟𝓲𝓽𝓪 𝓟𝓻𝓮𝓭𝓪𝓽𝓸𝓻𝓻 (#54340)
Thank you so much for explaining, also you did explain this pretty well so you're alright! I'm returning after a year or so and I decided I wanted to try and make a pride of primals only or at least work on that. I'm kind of excited for Aslan as my first and current king is now 14 years old. Hopefully I can get the labradorite dust and other apps needed in spring for him.

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