Hi artyboy20!
Thank you for posting to r/pokemon! We're glad to have you here, but unfortunately we've had to remove this post per our rule on [Objective Questions](/r/pokemon/wiki/rules#wiki_3._follow_text_and_poll_post_restrictions). This rule is in place per feedback we've received from the community because objective questions tend to fill the topic listing and often leave little room for further discussion once the question has been answered.
We do have a [Weekly Questions Thread](https://rpkmn.center/questions) dedicated to seeking answers for questions like yours, though! A lot of knowledgeable Pokémon fans frequent that thread, so please consider posting your question there if you're still looking for an answer, and you may get a detailed answer even faster than you would have here!
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Not possible to change base stats without a romhack. The closest thing to a hard mode is the generation 5 "Challenge Mode" (but that requires a beaten copy of Pokémon Black 2 to access) and disabling the EXP. Share in generation 6 and 7 games (but that only adds more grinding, not necessarily makes the game harder)
Hi artyboy20! Thank you for posting to r/pokemon! We're glad to have you here, but unfortunately we've had to remove this post per our rule on [Objective Questions](/r/pokemon/wiki/rules#wiki_3._follow_text_and_poll_post_restrictions). This rule is in place per feedback we've received from the community because objective questions tend to fill the topic listing and often leave little room for further discussion once the question has been answered. We do have a [Weekly Questions Thread](https://rpkmn.center/questions) dedicated to seeking answers for questions like yours, though! A lot of knowledgeable Pokémon fans frequent that thread, so please consider posting your question there if you're still looking for an answer, and you may get a detailed answer even faster than you would have here! ^(Mods are not notified if you reply to this comment. To contact the) ^[r/pokemon](/r/pokemon) ^(mod team, please click) ^[here!](/message/compose/?to=/r/pokemon)
Not possible to change base stats without a romhack. The closest thing to a hard mode is the generation 5 "Challenge Mode" (but that requires a beaten copy of Pokémon Black 2 to access) and disabling the EXP. Share in generation 6 and 7 games (but that only adds more grinding, not necessarily makes the game harder)