What you want to do, is to only use your deadringer in situations where your enemy thinks you'll be killed from his attack. If you use your deadringer constantly, the enemy might have a random crit and you might not have enough cloak to use your deadringer, resulting in your death. i mean if your fooling around, sure, use your deadringer as much as you want but if you, for example are playing competitve, try to save your deadringer cloak for picks and so that you don't waste it. if you're like me, and love to piss of your friends and enemies, use your dead ringer as much as you can and ♥♥♥♥ with them :D