S0E20: OO Magic Episode 17: The Magic to Seal Special Techniques

During their decade-long journey, the Hero Party comes across a challenge or a lesser enemy. Frieren boldly proposes to utilize a unique spell she discovered that "restricts specialized techniques." True to Frieren's assortment of unusual spells, the incantation is remarkably ineffective. It only restricts actions that are very particular or bizarre, making it of little value in genuine battle situations.