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Massive Melee Mythra is an Aux Core made available for free with the 2.0.2 Update of Xenoblade Chronicles 2.

The costume is meant to be the one-year anniversary gift to celebrate a whole year since the release of Xenoblade Chronicles 2. It is the only Aux Core-based Costume that is available both in Xenoblade Chronicles 2 and Torna ~ The Golden Country.

The costume itself gives Mythra black spandex that covers her legs and back, giving the appearance of a spandex suit under her standard white dress. The open gap in the blouse of her dress is also covered up. The design itself is based directly off the altered artwork of her Spirit that appears in Super Smash Bros. Ultimate.

The Aux Core can be obtained from Brobro on the Salvage Deck of the Argentum Trade Guild after completing Chapter 4 in Xenoblade Chronicles 2, and from the Nameless Wanderpon in Feltley Village in Torna ~ The Golden Country.



  • When worn in Torna ~ The Golden Country, Mythra's Core Crystal is given the hollowed "X" in the center, as it appears in the base game as a result of sharing her Core Crystal with Rex.
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