|This is an event Craft Essence. It is only obtainable by participating in a time-limited event. This Craft Essence cannot be summoned. No plans have been revealed to add this Craft Essence to the permanent summoning pool, or for old events to return.|
Event reward from the Fate/Accel Zero Order Event. It provides 6,000 experience when used to strengthen another Craft Essence. It provides no stats or effects when equipped to a Servant and has no other usage.