Spiritron

Spiritrons (霊子) are the building block of spiritual energies, most notably Magicules. They ignore the conventional rules of space-time and the utilization of spiritrons results in extremely powerful magic such as the miracle class spells of Holy Magic or Nuclear Magic.

Due to their erratic and near unpredictable movement, they can bypass all barriers. The only way to completely guard against them is to weaponize spiritrons as well or to force them to stop.