i do know so why would you think your invincible against 25s? Bungie's own words were you'd be harder to kill not invincible. You did hit him but you missed most shots. He got up close and hit all his shots with a 1 hit kill weapon on all guardians. Now if you were level 30 and him being 20-24 then it would be a diffrent story for you would appear as a boss with ?? as your level.... BTW the level difference works like this for every 2 levels you are under your enemies you do 20 percent less damage... However that rules changes with crucible and fusion rifles instakill within 8 levels. So like it or not he should have instakilled you. Don't like it? Don't play. Personally I hate fusion rifle users so you both suck.