Pokemon Go Legendaries will be here soon but they'll work a little differently, here's what we know

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Pokemon Go Fest is this weekend in Chicago, and as some of you may have already guessed, it will be the first place to (legitimately) catch a Legendary Pokemon in the mobile game. After that? The world! Here's what you need to know about Legendary Pokemon finally coming to Pokemon Go.

When will Legendary Pokemon start appearing in Pokemon Go?

The first Legendary Pokemon Raid Battle is set to begin on Saturday, July 22 in Chicago's Grant Park as part of Pokemon Go Fest. It won't begin until Pokemon Go players participating in the festival catch enough Pokemon in a specific time period, though. After that, they'll have to work together to take down and capture the Legendary Raid Boss. Legendary Pokemon will start appearing as Raid Bosses all over the world after the event is over (assuming the festival players are successful). 

What Legendary Pokemon can I catch in Pokemon Go?

Niantic hasn't revealed an official listing for its first round of Legendary Pokemon yet. But the trailer above shows Zapdos, Articuno, Moltres, Lugia, and Ho-Oh. Those picks line up with Pokemon Go's current progress through the Pokemon generations, too, so they seem like solid bets. 

How do Pokemon Go Legendary Pokemon work?

Once Legendary Pokemon are in the game, trainers will need to treat them a bit differently from their mundane counterparts... if you can call a giant yellow mouse that shoots lightning out of its cheeks mundane. Legendaries can be used to attack - both Raid Bosses and gyms - but they can't stay behind and protect gyms. Hopefully that will keep rare Legendary Pokemon from dominating the metagame too much.

Clearly the developers of Pokemon Go are anticipating a success at Pokemon Go Fest (and will probably tweak some variables just in case it starts looking dicey) but dang, how much would it suck if they still failed after a year of waiting for Legendaries? We're all counting on you, Pokemon Go Festival Goers.

Need more pocket monsters? Keep reading with the secrets and tricks Pokemon games never tell you about.