[Rushing in from out of sight, a figure engulfed in darkness leaps at the Hulk with inhuman speed and slashes at his face several times, both with the glowing red tip of his sword and the shadowy claws on his other hand, then takes a huge leap back out of the range of immediate teleportation.

The shadows fade. Oswald can't stay transformed for too long continuously. Which is especially a disadvantage given that even with that power, he's probably just about strong enough to make the Hulk angr...ier.]

Enough! If you are truly human, then there is still reason somewhere inside that bestial mind. Regain control before you do more damage than you can repair!