It's where you can get teammates you've recruited in dungeons. That's really the only feature it offers, it's sort of like the friend areas in the earlier versions.
After you beat the game, you will have the power to change the leader at Chimecho's Assembly. You can not change the leader in a dungeon, though.
you can unlock the chimecho assembly after you save azurill at mt bristle
The last answer is wrong. At the beginning of chapter 5, after chatot talks to you, go up the little vine-thing. There chimecho will tell you that chimecho assembly is opene! Yay!
They don't have it in Explorers of Darkness, only in Explorers of Sky
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You Can't
its marine resort
yes it is
Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness will be released in Europe on the 4th of July, 2008.
The Temporal Tower has 23 floors in "Pokémon Mystery Dungeon Explorers of Darkness."
Have you fainted in a dungeon yet?
Wait for Chimecho to tell you about her registry. Then, whenever you are in dungeons, Pokemon will ask to join your team. You don't need friend areas in these games, thankfully. Hope that helps! :)