If you want to become as powerful as possible, you need to grab all of the Invincible Showdown codes that you can. As you likely already know, the superhero series Invincible is the main inspiration for this Roblox game, which is honestly a nice change of pace from all of the anime games you typically see on the platform. The brutal abilities on offer are one of the highlights, along with being able to not only play through events you may already know about from Invinicible, but also some new stories, too. Train hard enough, and maybe you can show Omni-Man that he's not actually the strongest being in the universe.