Magic Power Finder (魔力測定器 Majikku Pāwā Faindā), abbreviated as MPF, is a Magic Item used by the Rune Knights and the organizers of the X791 Grand Magic Games.
Description[]
This Magic Item is a floating device, which encases a small, blue orb. Its primary function is to determine the amount of Magic Power an attack contains through the use of numerical symbols.[1] Its maximum value appears to be 9999, before breaking.[2]