8 star corner combo:
214B(1)~41236C, 5C~41236C, 2C, j.2C, falling j.C: ~7300 damage
Pretty good damage, but it uses 100% meter. Though I have a feeling that I've just rehashed something that's already been said.
And for even more damage, though much harder to start... (still in the corner)
CH 6C, 214B(1)~41236C, 5C~41236C, 2C, jc j.B, djc j.2C, j.C: 9101 damage.