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For anyone that uses FireAlpaca, I just made 3 custom brushes to replicate the Pokemon art style (to the best of my ability). If anyone would like these brushes and their settings, my discord is Radiobones#8297. Pic related, quick typical new gen fakemon using the brushes (an ice horse).
For anyone who hasn't heard of FireAlpaca, it's a free program with a great interface and good tools. Pretty easy to use, I always suggest it to anyone beginning digital art.