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The Fairy is randomly colored and may be blue, green, or red. It is brighter and faster than the Orb of Light
Fairy picture

While a valid light source, it will probably be more time consuming to wait on the Fairy to catch up than it would be to just hold shift and view the area with a torch, or place one down, given their relative easiness to acquire. The fairy can be summoned using it's corresponding item, the Fairy Bell (IID 425).

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