The Indigo Wisps have a sphere-shaped head with one violet eye. They also have three round tentacles stemming from the bottom of their heads, and a small round-tipped antenna on their heads. Most noticeably, they have a violet ring, similar to a planetary ring, around their head.
Infant Indigo Wisps have shorter and rounder tentacles and a larger eye. Their ring also encircles the tip of their antenna instead of their body.
In Sonic Runners, the Indigo Wisps play supporting roles to the main cast. Here, it is revealed some Indigo Wisps chose to stay on earth after the events of Sonic Colors because they liked it there and that they have established their own small colonies on the planet. Over the course of the game, Team Sonic comes across the Indigo Wisps several times, who request the team's help for different situations. This include either stopping Dr. Eggman from capturing them or terrorizing their homes and friends, or aiding with more personal issues. Sometimes though, they will help Team Sonic as well, usually providing information or handling smaller tasks.
In gameplay, the Indigo Wisps appear as a part of the Indigo Asteroid Equippable Item which the player can use during the stages to transform into the Indigo Asteroid.
Powers and abilities
The Indigo Wisps are able to levitate in midair at will, which serves as their main method of transportation.
They are able to generate and store their own unique variant of a powerful energy known as Hyper-go-on inside their own bodies, which is their life source. It is unclear to what extent they can use their own Hyper-go-on.
The Indigo Wisps are able to pass on a fraction of their Hyper-go-on to other beings by phasing into their body, which allows them to transform into the Indigo Asteroid which enables gravity manipulation.