>Evolving when reaching a certain level with a Nickname
There are some folks who don't name their tools. This would fuck with them so much.
>Evolves after defeating a dragon-type while at low health
A knight becoming a paladin, or something like that.
>Evolving after landing a knockout on its natural rival
They are in different games and must be traded.
>Evolve after successfully breeding with its natural rival
Again, different games.
>Evolve after leveling up with any of its parents in a double battle
Also causes the parent to evolve.
>Does not evolve, but grants early evolution to a pokemon in a double battle
Get those level 1 babies ready.