It seems like there are small holes in Krexel's range, we were able to 'freeze' the boss by the first person to enter standing in a certain spot. Dirac was the first to enter. If any of the attackers moves closer to the eye we're attacking, or Dirac moves anywhere else on the map, the boss will start attacking again. Spots for first eye: Spots for second eye: Spoiler: May make it easier to understand The blue dot is where the first character to enter has to stand, and the green is where the other characters can be to keep it frozen, while the red indicates the area in which Krexel will be reactivated (by the attackers). First eye: Second eye: