Magearna first appeared in Pokémon Sun and Moon. Back then you needed to scan a special QR code for it. In the Mega Dimensions DLC for Pokémon Legends: Z-A, Magearna returns with a twist.

Where to find Magearna¶

Like most of the Legendary and Mythical Pokémon, you must have caught Rayquaza in the postgame DLC mission “The Greatest Gift”.

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Vinnie’s sidequest

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The wild zone you’re looking for

In addition, you must’ve completed Side Mission 190 “A Mimikyu for My Cutie” from Vinnie inside Quasartico Inc. This will require a 3-star Ghost-type Hyperspace Wild Zone. Not all of these will have Mimikyu though.

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Jett’s sidequest

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Magearna

Once those conditions have been met, return to Quasartico Inc. You should find Jett and Vinnie standing next to a strange ball. You’ll receive a Side Mission 195 “Restarting Magearna”, which requires 999 Mega Shards.

These can obtain by smashing the mega crystals around Lumiose City or Hyperspace Lumiose. Hopefully you’ve been collecting!

Your reward is a Level 80 Magearna and its new mega stone, Magearnite.