I don't think you can refight any legendary Pokemon except the wandering dogs.
You battle all of the trainers inside the building. Try to get to the top.
you have to beat the trainers and the time in that place on seven island
Well, first of all you can't get ekans, or bellsprouts, but usually when you're in a dungeon of something trainers usually have both from leafgreen and firered, so check for them
There may be trainers that have ivysaur and bulbasaur and they might evolve and be a higher level after defeating powerful trainers or the other way is to get a bulbasaur as a starter pokemon.
If you want to you can try the other modes like single or knockout. Not your thing? Train more Pokemon and get all the Pokemon in the pokedex. And meet some other Pokemon leafgreen and Pokemon firered players.
I don't think you can refight any legendary Pokemon except the wandering dogs.
If i were you i would choose a bulbasaur because it is great for new trainers.
You battle all of the trainers inside the building. Try to get to the top.
You can approach them and see if they want to battle.
Have a Pokemon hold amulet coin and constantly beat all the trainers on resort gorgeous.
The trainers have various types, The gym leader has rock and ground types.
Random, but the more trainers you see, the closer you are to the lady.
Random, but the more trainers you see, the closer you get to the lady.
you have to beat the trainers and the time in that place on seven island
Well, first of all you can't get ekans, or bellsprouts, but usually when you're in a dungeon of something trainers usually have both from leafgreen and firered, so check for them
You cannot 'finish' Pokemon LeafGreen and FireRed. You might be thinking about defeating the Elite Four. That is the end point of most trainers, but you can go ahead and capture legendary Pokemon like Mewtwo, Lugia and so-on.