He looks so proud about hearing it called cool. Yeah it's cool!!!

"Who? Me I guess, mostly. It's my sword."

But -- there's a clatter, the sound of many heavy footsteps, and the rubble blocking the entrance from the cave is blown away. The Angelos force their way in, and they set their gaze to the people inside immediately. Vergil's eyes widen, he takes a small step back. If you're perceptive you might notice that he struggles to breathe.