/bWall/z: Raises a standing wall of magic at the spot you mark, holding its place for a time.<~><~>/bChain/z: summons a magical  chain, paralysing the target in place.<~><~>/bWave/z: Rolls outward from you in an expanding ring, washing over everything it passes.<~><~>/bBeam/z: A sustained beam you hold steady upon a point, pouring the magic out as long as you focus.