"I'm not sure attacking separately's going to do it," Tifa responded with a glance over at Johnny.

With the creature lumbering about like that, there wasn't much of an opening for her to attack anyway. She ducked between its horns to get in a few quick hits, but there wasn't enough force behind them to do the necessary damage, and that wasn't her intention. Whatever Walter was doing, he needed time to finish. The least she could do was try to keep the thing distracted.