: Matchmaking can be restricted by region in the game settings, typically separating "Japan" from the "Rest of World" to manage latency. The Scholar and the First Sin
If you are looking for information on "Region F," it likely refers to (also known as Region 0) or specific regional disc codes (like Region 1/All for North America or Region 2 for Europe).
The game’s subtitle refers to , the brother of King Vendrick. Aldia spent his life researching the "First Sin"—the act of Gwyn linking the First Flame to artificially extend the Age of Fire.