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Yuxes are X-shaped creatures that were created by X-Naut PhD and can create Mini-Yuxes to create barriers around them. They appear in Paper Mario: The Thousand-Year Door. They are first encountered in the Great Tree where they are used as security by the X-Nauts. Later they appear on the X-Naut Fortress on the Moon, but are less in number here.
The Yuxes are notable in that their beam attacks pierce all Defend Plus and Damage Dodge badges that Mario and his partner have equipped. This means that full damage is taken if no guard is performed, and only one damage is blocked with a regular Guard. The Superguard prevents damage, however. A Yux attacks by shooting a ring at Mario and his Partner. After every turn it will summon a Mini-Yux and another Mini-Yux to create a ring around the Yux causing no damage at all.
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