Asking questions is you being smart and curious. It's never dumb to ask. Some of the responses you get, though, well... I've only done one of these as part of some quest line or another. It was the one with the blights. Once you kill the blights, the knights are no longer immune, so just blast them to pieces then. I only play hunter so I can't help with other classes, but I'm pretty sure you can breeze through it with a decent ad clear, a shotgun or fusion for any yellow bars, a big hitter heavy, and a spell-type (not roaming) super. I was running an invisible melee hunter (Assassin's Cowl,) I imagine Graviton Forfeit would also be trivial. P.S. Don't give in to the school bullies. Some of them never outgrow their teen mentality.