Perfect situation? Lmao never, I use these all the time in Control and every single time there's been a Bladedancer, Sunsinger, or Defender Titan, I've killed them. Not once so far have I been killed by any three of these supers whilst I wore the Peregrine Greaves, it does NOT have to be a perfect situation. If you can't kill any of those 3 with the Greaves then you're honestly just bad. The only exception of supers is Fist of Havoc and Nova bomb because there's no way to tell at which specific moment they will activate them.