In Pokemon Legends: Z-A, players collect Mega Shards, but their purpose is not immediately clear.
The game introduces Mega Crystals, which can be shattered to obtain Mega Shards, in the early stages, specifically in Lumiose City.
Mega Crystals are described as collections of Mega Energy and are easily identifiable as rock-like formations with pink shards.
The true purpose of collecting Mega Shards in Pokemon Legends: Z-A isn’t immediately clear.
Although the game does not initially explain the use of Mega Shards, they are a crucial part of the gameplay.
Author's summary: Mega Shards have unclear purpose.