f'real brew.. I barely use RPR LB > Bind outside crystal as a guaranteed win in overtime if we're in the lead. Oh and on Cloud 9, I barely wait until enemy team pops guard for turbulence, then I barely LB their guard off 3 seconds before so they all are again, guaranteed to lose 50% HP.
Oh, and on Volcano I barely wait for right before eruptions to LB enemies into 30k HP aoe.
That's all before I barely utilize the massive damage potential of the combo with Death warrant.
I mean, RPR LB "useful?" barely.