RO Slayers is a decentralized game and it’s the newest entry in blockchain technology that aims to integrate cryptocurrency with the classic and most nostalgic massively multiplayer online role-playing game. Through this new system, not only does it indulge players in the fun and competitiveness of online gaming; but also gives them the opportunity to able to earn and meet new acquaintances. The cryptocurrency mechanisms used are mainly influenced by Non-Fungible Token (NFT) games currently available in the market.