Gachapon Ball is a consumable in Beyond, a mod for The Binding of Isaac.
Does one of the following:
• 50% → spawns 1 mini trinket.
• 30% → spawns 2 mini trinkets.
• 15% → spawns 3 mini trinkets.
• 5% → spawns 3 mini trinkets and grants +1 luck.
Cannot spawn naturally; mostly rewarded through Gachapon.