1. Wiping a bunch of times and getting frustrated while doing hard Crota and seeing one of my clanmates try to melee a level 33 knight in the crystal room - I lol'd but my other buddies weren't so happy 2. Lining up the 'perfect' shot and your teammate steps in front of your rocket launcher at the last second and you hit him in the head and blow yourself up 3. Seeing a loaded capture point and thinking "this is gonna be epic" and end up hitting the wall with your Nova Bomb and dying. 4. You think you timed a perfect jump but still fall off the edge on Twilight Gap 5 You try to double jump but end up floating like a fairy because you forgot that you switched to your Warlock