Metal Resonator Box

A Dark Phylactery Box is a container item for distributing mission rewards for completing the Metal Resonator mission.

Obtained from

 * Metal Resonator

Contents
One of the following to choose from:
 * Dominating Metal Resonator
 * Mighty Metal Resonator
 * Precise Metal Resonator
 * Restoring Metal Resonator
 * Vital Metal Resonator