just like how some pokemon have exp lvls over what they should have (for example pidgey from safari), so they lvl up after 1 pokemon kill, some pokemon have exp under what they should have. did u try grinding at the cryogonal tiles for a bit?
just like how some pokemon have exp lvls over what they should have (for example pidgey from safari), so they lvl up after 1 pokemon kill, some pokemon have exp under what they should have. did u try grinding at the cryogonal tiles for a bit?