Misuto Ringu

Misuto Ringu (ミストリング, Mist Ring) is one of the seven legendary rings forged by using a legendary wolf spirit. Its main ability is Illusions, it also allows the user to open mist type boxes. It takes the form of a ring which emitts a dark blue flame when ignited using spiritual energy.

Powers
Illusions: This ring allows the ability of Illusions, which means the user can use the ring to produce many different illusions using his spiritual energy. To make the illusions stronger he must ignite the flame on the ring with even more spiritual energy.

Mist Box Unlocking: This ring allows the user to open mist type boxes. This is the only ring which can open mist type boxes as it was the only mist ring made.

Behind The Scenes
This was based off of Katekyo Hitman Reborn's seven elements.