Need help identifying an episode of SM!

Can anyone tell me what episode it is that Jupiter uses her attack (I thiiiiink it was Sparkling Wide Pressure) but she directs it into the ground and a series of little explosions in the ground trail away from her toward the enemy?  I remember the clip being featured prominently in Toonami’s promos, if that helps.

I think it was in R, but I don’t have time right now to go looking for it, so if anyone knows, I would be quite grateful. :)

ETA:  I found the clip!  It’s in this promo, but can anyone identify the specific episode offhand?

ETA THE SECOND: The lovely @gaurdianangelsango identified it as episode 81! For anyone else’s reference. <3