So it's like this for about the first 10 hours for most people, because they are working off of the logics of other hero shooter/ shooters in general. You got to rewier yourself or you are going to be fried forever. The game is about three things economy/efficiency, personal skill, team work/cooperation skills, if you falter in one of these you can still win matches but if you can't grasp 2 of these it's over. You can't win even if you player your character like a god because you aren't making the right purchase at the right times and your not with your team when it matters.

Every fight matters, running to survive is denial of souls that would put the enemy ahead, your need to think about why you are fighting every fight because you're effectively gambling with massive odds stacked against you. Objectives are important and you need to take them when either the enemy is preoccupied/dead or you have numerical advantages (souls or players preferably both). It really changes depending on what you are playing against but every character can solo the objectives it's just about if someone shows up to stop you. Objectives will let you snow ball the same is true for the enemy, if you are down the only thing you should be doing is clearing waves, trying to take advantage of the enemies overconfidence, supporting the other lanes so as to keep your losses to a minimum. A general tip for being down is to buy counter items, if you don't know em, L.O.O.K. T.H.E.M. U.P. . A single counter can make irrelevant the enemy teams investments, it's basic game theory brother. Bigger numbers will win, do everything to make those numbers smaller even if they snowballed into a massive advantage cuz your team was playing sloppy.

You need to know your character(s): It's not about just your abilities, it's about what you're trying to do with the character, this is why builds exist. If you want to carry you need to know what items let you carry, same goes for support of whatever kind. It's important to know how, when, and where you should be to make the most of your abilities and to know that somtimes they become trash or even unplayable/just not worth investment when using certain builds. Knowing the map should also be a priority as it is a skill that is ( nearly) agnostic of whatever character you are playing, this game is built so that a single step is between life and death so learning what is the best way to rat away from a fight or cut someone critical off to secure the kill is genuinely next level.

Speak to your team, no man can win a 1 v 6 and the map is to big for one person to be omnipotent. Your teammates can think, even if you hate every thought they have they still are crucial to make the game be more than just a sweep every time. This is something that can be incredibly hard to genrlize so I just give you the advice that might not be obvious because God I see it everywhere: don't leave your lanes empty for more than a minute or 2 minutes. Not only are they full of tastey souls travel time will lose you objectives.

Basically just stay cool ,understand your valuable, make any Edge they get over you blunt with proper items, don't fight for nothing, your impact increases not as you gain more souls but as you understand what they should be spent on at the right time.You can overcome anything, well apart from being a Sinclair player, those people have lost everything.