Not to be confused with Crysta (Pet).
Crystals are items that cannot be used to upgrade or unlock anything, they're only needed for quests. Crystals can be dropped by Error 404 and Rock Crystal Ghosts in the Crystal Cave. Players can burn Crystals at the Junkyard for 10 Ecto-Bits each. They can also be converted at the Backdoor Gumball Machine at a ratio of 50:3 Gum.
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