These are all of the in-game Crystals, which may be found via Quests or Combat within Idle Pixel:
4 Crystals
| Crystal | Found (Pre-Wizard Stolen) | Found (Post-Wizard Stolen) |
|---|---|---|
Forest Crystal  |
The Thief Leader Dropped This | Guardian 1 Dropped This, a Faradox Minion |
Earth Crystal  |
The Wizard Gave you This one | Guardian 2 Dropped This, a Faradox Minion |
Fire Crystal  |
The Fire Witch from the Volcano Dropped This | Guardian 3 Dropped This, a Faradox Minion |
Ice Crystal  |
The Yeti in the Northern Fields Dropped This | Guardian 4 Dropped This, a Faradox Minion |