you can't do it like you used to in Red, Green, Blue, Pikachu or other versions.
Wartortle evolves at the same level in every Pokemon game. Wartortle evolves at level 36. Wartortle will then evolve into a Blastoise.
No, they don't, the level of all of your opponent's Pokemon will be the same as the level of the highest leveled Pokemon you have on your card
No, you can not lower the level of Pokemon. However, when playing in tournaments that have a level cap, if your pokemon is overleveled, they will automatically be lowered and their stats will be lowered as well to match that specific level
cant you have to do it yourself unless you have 100rare candies
either a cheat code or alot and i mean A LOT of rare candies
level 55
at level 38
at level 32
level 32
about level 16
Level 25 .
There is an easy way to get your Pokemon to a certain level. All you need to do is collect rare candy and use it on the Pokemon you want to level. This will automatically level up your Pokemon.