Hello! I'm a fairly laid back player that recently turned a little bit more serious, trying to figure out how to actually do well in the game now. I've been trying to find guides to help me figure out what medals I will need, what keyblades work well with what, things I need to consider, etc. I've gotten fairly lucky with medal draws and have things like the new Supernova+ Aced and Invi, and UF Sora, so I'm mostly wondering what I can do to improve my setup and finally beat enemies tougher than level 2800. Helps?

Do you have any pictures of your medal list that you can share? It helps provide a better idea of what you have to work with. If you can, try to filter it so that only the T8, T9, and T10 medals are showing.

You'll need to make different setups depending on the enemy and Keyblade you're using, so one setup will help but won't necessarily solve all of your problems. All of your setups will need a buffer at the beginning, something that gives you all of your strength buffs and debuffs all of the enemy's defenses. Medals like KH3 Kairi A and Supernova HD Xion are great for that, as well as Invi (though Invi can only heal you once and only provides +12/-12). Once you've secured your buffs and debuffs, it's all about matching your medals to the attribute slots on your Keyblade. Just make sure not to use an overwrite medal (things like KH2 Kairi EX+ and Gula EX+) after you've already used your buffer: it will reduce your buffs/debuffs and result in you doing less damage.