31 JUAL BELI AKUN GAME ONLINE MOBILE LEGENDS BANG BANG Analisis Maqashid Syariah dan Asumsi Rasionalitas Islami Nabila Universitas Islam Indragiri Sofyan Sulaiman Universitas Islam Indragiri Said Abdul Aziz Universitas Islam Indragiri Abstrak This study examines the buying and selling of Mobile Legends: Bang Bang accounts from the perspective of maqashid sharia and Islamic rationality. With the rapid growth of technology, online gaming has become a popular form of entertainment across all age groups, offering potential income opportunities. The research aims to assess whether these transactions bring more benefits (maslahah) than harms (mudharat), conserve natural resources, and align with Islamic principles. A qualitative research approach was employed to explore the mechanisms behind these transactions. Data was gathered through observation, interviews, and documentation, ensuring a comprehensive understanding of the practice. The study highlights that, according to maqashid sharia, evaluating an action requires considering both its positive and negative aspects. For instance, while the trade of khamr is prohibited due to its greater harms relative to benefits, exceptions are allowed in emergency situations—such as using khamr for medicinal purposes in controlled quantities. Using this analogy, the research suggests that