Why not try to message their twitter?I tried Pure Onyx are it's really just fighting with (very good quality) animations. It bored me quite quickly tho. On the other hand, Malise has such a potential...
I actually wanted to message Eromancer (the creators), whether they will be willing to give the project to me, but i don't know how to contact them.
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or join their subscribestar (there is a free tier) and hit them up in Discord
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Good luck