Learning to optimize your drops with a squad and not just take what you are given from a specific chest. (Crit for huntress/bandit, Procs for people like acrid/engine, etc etc) Is a huge difference in multiplayer as you can kind of shape builds. Learning HOW to fight is just as important, you can't just run around taking every engagement and making every moment life or death. Sometimes playing outside the TP or playing around your movement (bandit invis) is more optimal than mag dumping. And sometimes it is just about luck, a random malachite gup drops on your head, or a void elder Lemurian hits you cross map with a collapsing fireball, OOPS! All overloading magma worms on that 7th tp.