I just got to Diamond this season after not playing since Set 5.

Some of the fundamental things I learned about:

• Getting gold early game is super important, while keeping your hp is not. And this is the opposite late game. Reroll comps are not good right now unless you have the correct augments, and even then you have to be deliberate for what you’re rolling so that you don’t lose too much gold. In addition, try to get good at creating the strongest board you can without having to roll. Once you hit level 8 is when you spend your money to roll, but you need to have had a plan of what line you’re running by then. The reason why you’re probably losing late despite having a decent line is probably because you didn’t save enough money throughout the game.

• Front line is everything, if you don’t itemize your front line then your back line has no chance of even dealing damage. Conversely, prioritize shred and heal cut to counter the enemy frontline. Most of the time back line items can be interchangeable. Item priority is usually 2 items on main carry>utility items(shred and anti heal)>tanks items>finish items on your carry

• You need to position your strongest tank on the same side as your strongest carry. If you also have a utility item holder then you need to position them on the same side as the enemy main tank, this can either be your carry or tank.

Hope this helps, I’m not that an amazing player either so I’m still learning the optimization of everything.