Custodial wallets are usually provided by crypto exchanges or financial institutions that are required to implement KYC. For non-custodial wallets, you generally do not need to complete KYC. These wallets give users full control over their private keys and their virtual assets.
This game is basically an simulation role playing game for everyone. As the player, your goal is to build a dragon city and fill it with buildings, farms etc. You will collect and train baby dragons and grow them into grown beast to defend you in PVP battles.