What happens if you rank up to Sergeant in Tanki Online?

When you rank up to Sergeant in Tanki Online, you unlock new features and benefits, such as access to more advanced equipment and upgrades for your tank. This rank also allows you to participate in higher-level battles, enhancing your gameplay experience. Additionally, you'll earn a higher salary per battle, which can be used to purchase better weapons and upgrades. Overall, ranking up to Sergeant significantly improves your capabilities in the game.