Overload Orbs
From Galaxy Attack: Alien Shooter Wiki
Overload Orbs can be bought in the shop of the Raid League daily Event, in exchange for Raid Coins. The Orbs can be used to unlock higher power levels for ship upgrades.
Overload Orbs can be bought in the shop of the Raid League daily Event, in exchange for Raid Coins. The Orbs can be used to unlock higher power levels for ship upgrades.