The Cacaw is destroyed by the laser blast. These aren't normal single attacks, though; the lasers continue to pulse forward for a good ten to fifteen seconds afterward. Athrun will find it hard to make much headway while walking directly against the blast.

"Let's just skip to Wave 3."

Thud goes something behind the knight.

"That's a Jitterthug. It's completely immune to physical attacks when it's green like that. What are you going to do now?"

The Jitterthug is indeed a vivid green. The mask on its face is quite monstrous indeed.