One of the two enemies of Parasite Eve II that does not give out Bounty Points or Mitochondria Points, Watchers all look the same but have very different effects but they are considered the same for this page although the types are noted by the color of their beams. They are also completely immune to PE so keep that in mind.
The White Beams of the Watchers attack Aya with a burst of machine gun fire that can deal some good damage to her. When combined with the other beams, they can cause some serious harm to Aya.
This type of Watcher fires a red beam at Aya and can inflict Silence (needs conformation) on Aya as well as dealing damage. In most cases this isn't too bad as they care easy to destroy with normal attacks.
This type of Watcher fires a yellow beam at Aya and can inflict Confusion on her. This can be difficult to move around and aim with under this condition and consequently, it can be annoying.
This type of Watcher fires a blue beam at Aya and can inflict Seizure (needs conformation) on her which is very dangerous because of the effects of the ailment.