All can join your team
You can't capture any Pokemon in Mystery Dungeons especialy LEGENDARIES
if you buy friend areas you can do it
mesprit is a legendary Pokemon and legendaries don't have gender However, In Pokemon Mystery Dungeons, Mesprit is considered a giirl.
Legendary Pokemon are usually found at the top of dungeons like rayquaza and kyogre. Most do not join you the first time you visit them.
sometimes in dungeons you will find a door if you have a key you can open it the door sometimes the door opens to a rare Pokemon that can be recruited or a rare item
If you are referring to Pokemon Mystery Dungeon, just leave it in your bag, and you will find legendary Pokemon in some dungeons, like Lugia, Ho-Oh, and Darkrai.
Yes, you can recruit a legendary Pokemon that's 4 Star in size if you have one teammate with you in Pokemon Red Rescue Team. Anovia recruited Ho-oh with a Castform next to him. Also, he recruited Suicune with a Wartortle next to him.
They don't open dungeons, they open locked rooms within dungeons. Certain unique items can be found, like the Silk items, and treasure items for Legendary pokemon.
Press the A button on the pokemon.
it will be about 40%
no you dont
The land, Pokemon, and dungeons are extremely different.