So I can now say with confidence that these are the highest damage combos off a counter hit that can theoretically be done
this is a counter hit combo (mid screen)
j.hp, cr.hp, lk shadow, s.hp, j.hp, j.hk, cr.mp, cr.hp, mk shadow, j.mk, j.hk, s.mk, j.lk, j.hp, j.hk, s.lp (2), cr.mk, cr.hp, H drill, Drill to the heavens (around 8.85 k)
(Corner)
j.hp, s.hk, lk shadow, s.hp, j.hp, j.hk, cr.mp, s.hk, mk shadow, j.mk, j.hk, s.mk, s.hp, j.lk, j.hp, j.hk, s.lp, cr.mk, s.hk, h drill, drill to the heavens (9.2 k)
this is a counter hit combo (mid screen)
j.hp, cr.hp, lk shadow, s.hp, j.hp, j.hk, cr.mp, cr.hp, mk shadow, j.mk, j.hk, s.mk, j.lk, j.hp, j.hk, s.lp (2), cr.mk, cr.hp, H drill, Drill to the heavens (around 8.85 k)
(Corner)
j.hp, s.hk, lk shadow, s.hp, j.hp, j.hk, cr.mp, s.hk, mk shadow, j.mk, j.hk, s.mk, s.hp, j.lk, j.hp, j.hk, s.lp, cr.mk, s.hk, h drill, drill to the heavens (9.2 k)