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... halanx.
This was a magic item that was used for wireless communication. When charged with mana, the miniature runes inscribed on the ring—which were so small that they looked like the circuits on a circuit board—converted the user's mana into electromagnetic waves and then emits them on a custom wavelength that can be set by the user to have a private channel.
However, since the technology isn't perfected and is still in development, there are some flaws in it and the electromagn ...
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