The primed ball is more useful when catching an opponent in a corner summoning a ball over his head and using a FB CR to prime it.
This leaves him stuck in the corner, if he jumps, he jumps into a ball. In some ways, what testament's web does.
It's a joke because from the transition from the arcade machine to console there has been many blatant bugs found throughout the game.
The company is considering a release of another accent core with... less bugs. "Accident Core" is what we've come to call it.
This means that any hit following dark angel will have zero recovery for the player being hit. Say you have a DA and you begin a combo at 25 hits, the 28 hits expire and you proceed to finish the combo... your opponent can begin blocking again even if you're in middle of Venom's 3hit close slash.