In Honkai: Star Rail, purchase this item to get Oneiric Shard ×6480.
You will get additional 6480 Oneiric Shards for the first purchase of this item, and additional 1600 Oneiric Shards for subsequent purchases.
Oneiric Shards can be used to buy packs in the game and redeem in-game currency, Stellar Jade.
Stellar Jades can be used to redeem in-game items, such as Star Rail Passes, Star Rail Special Passes, Fuel, and so on. Star Rail Passes and Star Rail Special Passes are used to obtain rare characters and Light Cones through Warps.