1. Executive Summary Subject: Analysis of the in-game location “Casa de Gran Maestro” (Grand Master’s Mansion) within the mobile RPG Saint Seiya: Legend of Justice . Context: The game adapts the Saint Seiya manga by Masami Kurumada, reimagining key locations from the Sanctuary arc. Key Finding: The Casa de Gran Maestro serves not as a combat arena but as the primary headquarters for Guilds (Legions) , acting as a social, administrative, and resource-hub for player alliances. 2. Introduction & Lore Background In the original Saint Seiya canon, the Grand Master’s Mansion (教皇の間, Kōkyō no Ma ) is the highest chamber within the Sanctuary of Athena. It is where the Pope (the disguised Gemini Saga) issues decrees, manipulates events, and confronts Bronze Saints. It symbolizes authority, secrecy, and the corruption of power.