[Time for an interesting counter. No use doing the normal things. He points his wand at the ground behind him and falls backwards, incanting as he falls-
Spongify!
[True to the name of the charm, the ground immediately becomes springy rubber as von Karma hits it, the bolt flying overhead as he springs back into a standing position from the bounciness of the ground. A few steps forward, and-]
Expelliarmus! Depulso!
[A flick and a sweep of his wand, and twin bolts of magic fly at Barton, one to Disarm him, and the other to Banish him to across the room. Preferably into a wall, but von Karma's not picky where he goes flying to.]
no subject
Spongify!
[True to the name of the charm, the ground immediately becomes springy rubber as von Karma hits it, the bolt flying overhead as he springs back into a standing position from the bounciness of the ground. A few steps forward, and-]
Expelliarmus! Depulso!
[A flick and a sweep of his wand, and twin bolts of magic fly at Barton, one to Disarm him, and the other to Banish him to across the room. Preferably into a wall, but von Karma's not picky where he goes flying to.]