The fragments are a Key Item in Dragon Quest VII.

Use

Each shard with put together with the corresponding pieces on the correct pedestal in the Shrine of Mysteries allow The Hero and company to go back in time to an island in the past.

Locations

Yellow Fragment

  • The following pieces are needed to reach Ballymolloy in the past:
    • On the floor of the Shrine of Mysteries.
    • On the floor within the corridors of the Shrine of Mysteries.
    • Received from Pollock upon his first return to Pilchard Bay.
  • The following pieces are needed to reach ??? in the past:
    • Found in Secret Base Nummer 1 in Regenstein in the past.

Red Fragment

  • The following pieces are needed to reach Burnmont in the past:
    • Found on the floor in The Tower.
    • Found at the bottom of the Rainbow Mines in the present.
    • Found in a hidden room in Estard Castle after borrowing a raft.

Blue Fragment

  • The following pieces are needed to reach ??? in the past:

Green Fragment

  • The following pieces are needed to reach ??? in the past:
    • Taken from the Golem guarding the upper interior to The Tower.
    • Received from merchant upon visiting Ballymolloy in the present.
    • Found on the first underground portion of Burnmont in the present.

Description

It looks like a piece of a larger whole. There's a map etched into it. (Description when selecting any fragment in the Nintendo 3DS version of Dragon Quest VII.)