Variant 4 Chapter 1 quest 2 Deadpool X-force boss should not use special attacks.

It states that he has a -100% chance to launch a special attack, I’m not sure if there’s any circumstance which he could launch a special attack.
https://i.imgur.com/qtgYoUj.mp4Device model: iPhone SE2 running on iOS 14.3. I was using cellular data