If Reiki was compared to electrical energy and this ring was compared to a battery, one would be able to spot the unusual aspects at a glance.

A battery of the same size was usually just an ordinary battery, and the amount of power it could store could be said to be minimal. The pinnacle of the current stage of battery technology would have already been reached with just a few hundred milliampere-hours.

However, the current condition of this ring was like a battery that had been charged with