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The Thousand-Year Door Enemy
Location(s) The Great Tree, X-Naut Fortress
Max HP 3
Attack 2
Defense 0
Moves Ring Toss (2, Piercing), Zap (1x3, Piercing)
Items None
Coins 1 - 2
Log These pathetically ugly creatures were created in X-Naut laboratories. With Mini-Yux around them, they're impervious to all attacks.
Misc. stats
Level 12
Exp. points 0
Sleep? 30%
Dizzy? 100%
Confuse? 70%
Tiny? 90%
Burn? 0%
Freeze? 0%
Stop? 80%
Soft? 95%
Fright? 0%
Gale Force? 90%
KO? 95%

That's a Yux. Says here it's a creature created in the X-Naut labs. Max HP is 3, Attack is 2, and Defense is 0. According to this, attacks and items won't affect it if it has Mini-Yux around it. So, if any Mini-Yux appear, take those out first. Duh!


Yuxes are X-shaped creatures created by the X-Naut army, appearing 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. A smaller number appear later in the X-Naut Fortress on the moon.

In battle, Yuxes produce a Mini-Yux from within themselves at the end of every turn; the Mini-Yux sustains a barrier around the Yux that renders it invincible. The Yuxes attack with ring beam that pierces defense; even Damage Dodge badges have no effect on the damage they deal. This means that a Yux's attack will always deal at least one damage unless the target performs a successful Superguard.


Names in other languages[edit]

Language Name Meaning
Japanese バリアーン
Barrian, from English "barrier"
French Cruxivert Pun on "crux-" (a prefix referring to a cross) and "vert" (green)
German Crucimat Pun on Crucionen (X-Nauts) and Automat (Machine)
Italian Rostella Portmanteau of "Rotante" (spinning) and "Stella" (star)


  • Another Paper Mario: The Thousand-Year Door creature known as Grodus X also resemble Yuxes. These smaller creatures are also green and cross-shaped (though with smaller arms), but they act more like Mini-Yux, and provide a lesser defense enhancement to their creator, Sir Grodus.
  • Similar creatures called Barribads appear in the sequel title Super Paper Mario; these creatures resemble Yuxes in their facial appearance and their use of protective barriers.
    • In addition, one of the Sammer Guy warriors of Sammer's Kingdom is named Yowling Yux in tribute to the enemy.