Hi i have many things to say to help you to have reward on the game you can actually write code (20231026AYA 20231026BERNICE 20231026ROZZI 20231026FIORA INTROANIMATION NEWPLAYERBOOST there will always work) sometimes there is temporary codes (before we had code with the new champ Leni) look on web to find code or ask on the Discord they will awsner you
Look next to your A Coin on the game Event Banner there is great reward like with the 2023 S2 Puzzle Event that give lot of chest (still open until January 31st 2024), we have drop Twitch for this November than can give Event NP
Don't forget to use your Event NP before you lost them
Buy your Daily Box all days 700 A Coin
Sorry for my english i did probably lot of mistakes but that's my best and it's my first guide