Summon Elemental

The, also known as is a Magical Power possessed by Chion and Ironside.

Description
The Spirit Arts allows the user to summon to aid in battle. Chion said that this art requires the most precise pronunciation within the entire magic system. The Spirits are contained within rocks of various shapes.

Chion can lose control of its Spirits if they sense the presence of Spirits more powerful than them, such as the Life Spirits.

Ironside also allegedly used Spirit Arts to transfer a Life Spirit into Percival's deceased body in exchange for part of his own longevity. Ironside's goal was to use Percival's resurrected body to become the "receptacle" for Diodra's soul who was already suffering from fragile health due to the miasma of negativity from the Demon King who had already killed his pregnant mother.

Chion

 * A creature whose body and limbs are made of twisters, with a pair of visible eyes around the center.
 * This command make Sylph trap the air around the target, blocking their voice and hindering their breathing.
 * This command is used to make Sylph relay sounds to the user.
 * A small humanoid creature, whose face resembles that of an old man. At the user command, the spirit grabs the target with large arms of earth, then crushes and entombs them.
 * Gnome hides underground so that it can grab the opponent from below.
 * A reptile-like creature with small wings. This Spirit is able to breathe fire.
 * This command is used to make Salamander chase a target by following the essence of their blood.
 * Upon summoning all nearby sources of fire, they combine into one large firebird that incinerates the target.
 * Unnamed Spirit of Water

Combined Techniques

 * Chion immobilizes the opponent with Gnome to allow Isolde to place Time Bombs on the target.

Ironside

 * A gigantic wind Spirit described as the.
 * Allows the summoner to float mid-air.
 * This command materializes the Djinn around the summoner, granting him elemental protection.
 * This command makes the Djinn to unleash powerful wind attacks.

Trivia

 * The Spirits shown so far are based on the, mythic beings described in occultism and alchemy texts.