The blast weakened the Romulan shields to 64%, but they weren't dead yet. Phasers struck the shields of the Enterprise and scorched them away. They barely managed to hold. The Enterprise responded with a volley of phaser fire and torpedoes. The Romulan starboard and port shields buckled and vanished, and their front shields were weakened to 18%. They activated the cloaking device and moved to the Enterprise's rear. They were quickly detected and the warp core had been damaged beyond repair, but they had a final card up their sleeves. They ejected the warp core and fired it at engineering. The core went straight through the shields with only a 20% decrease in speed and hit with a blast. The explosion penetrated to the Enterprise's warp core and caused a coolant leak. The Romulans were quick