You can purchase new items for Stardust, Starglitter, and Primogems at the Paimon’s Bargains. Visit the Shop and navigate to Paimon’s Bargains, then choose among Starglitter exchange, Stardust exchange, and Purchase with Primogems. For 24-34 Starglitter, you can get high-rated weapons, and for just two Starglitter, you can get items such as healing nectars and concentrates. A lot of regular weapons can be purchased for five Stardust.