Great Antosha
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After the rain, a rainbow appears, which can also be created with crystals. Is rain also a celestial aspect of Water? Is that not enough for the Kirin to demand crystals?
And what about "Luck of the Sea Elves"? Or some other name related to Water, fountains of luck, or a rainbow after the rain?
Also, after the rain, dust settles on the ground. What color is the dust? Gray. Therefore, Kirin should demand ore.
You can try to fit a square peg into a round hole, but you shouldn't; at least try to explain why Cyclops require mercury for recruitment!