- Relatively simple to raise with the proper resources - Usually easy-going and docile - Suitable for beginning trainers
- More care required than with "Easy" species, but not nearly as much as "Difficult" ones - Contains the bulk of known species; suitable for trainers that have already raised one or more Pokémon
- Contains Pokémon that are notably defiant, troublesome, dangerous, or some combination of the former - Also contains species that are very difficult to properly care for, even if they are docile - Should only be raised by experienced trainers - Check individual research pages for species-relevant warnings
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