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Dragon Aura Second Slot Glitch?
Hello, first time poster! I've noticed that if I try to change my second aura, it just switches back to Breath of Milk within 2 seconds, but still spends the cost of a You. Wasted 3 buildings thinking it was me being forgetful.

First slot can be switched out no problem, but not the second. Is this a glitch, or just a setting/feature I don't know? Thanks!