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Miru Toraeru (ミル・トラエル Miru Toraeru) is yellow eye program from Cyber Peacock's stage, Cyber Space, in Mega Man X4. They are believed to be rogue anti-virus vaccines that are under Cyber Peacock's control, but still do as they are meant to (purge foreign bodies of data found in the system), except targeting the player instead of Mavericks that are teleported into cyberspace.


Miru Toraerus can slow down X or Zero when trying to reach the other side of the stage, since reaching the other side of the stage on a certain time, will reward with different powerups.

It will capture X or Zero when they come into contact, cause 6 points of damage after a brief moment, then release the player before disappearing. The majority of Miru Toraeru in the stage spawn "rolling" across the screen while the rest spawn stationary. They are impervious to regular attacks if they are spawned moving, but can be attacked if stationary.

The best ways to prevent being trapped by Miru Toraeru are to use Soul Body (with X) or Kuuenzan (with Zero), both of which will "delete" the incoming programs. If the player has difficulty using Kuuenzan, Raijingeki can be used to repel the Miru Toraeru, which is good enough to avoid being ensnared by them, even though it won't destroy them.


  • "Miru" means look, watch, view or see, and "toraeru" means capture, arrest or grasp. Therefore, its name can be translated as "Watcher Capturer".
  • Miru Toraeru appear in Project X Zone, where they are simply map obstacles that can be destroyed by a unit to clear paths. In Project X Zone 2, they return in greater numbers as map obstacles that can inflict a tremendous amount of damage to the unit that walks into their panel range.