Jeonsulsa or Lightning User (전술사 (電術師), jeonsulsa) refers to a person who is able to give Shinsu an electrical or a Lightning properties and/or convert shinsu into electricity. Some users, such as those from certain Special Families, are able to wield electricity naturally while others must take and pass a special test to become a Jeonsula. As Jeonsula is a special position which is not a standalone position but an additional role, every Jeonsula also have at least one of the five primary position.
- Dangan Style: Weapon Reinforcement Technique: Lighting Strike
- Maschenny Style: Lightning Spear Technique
- Maschenny Fighting Technique: Arch Lightning