Ragnarok Online is a popular 2D/3D MMORPG that has attracted millions of players from all over the world. The game is based on Norse mythology and features a variety of classes, skills, items, quests, and events. If you want to learn more about the game, you can check out these sources and links:

• Website of the game, where you can find the latest news, updates, guides, downloads, and more.
• Ragnarok Online Wiki: This is a comprehensive wiki that covers everything about the game, such as lore, gameplay, mechanics, characters, and more.
• Ragnarok Online Database: This is a useful database that provides detailed information about the game's items, monsters, maps, skills, and more.
• Ragnarok Online Forums: This is a friendly community where you can interact with other players, ask questions, share tips, and more.
• Ragnarok Online YouTube Channel: This is the official YouTube channel of the game, where you can watch videos of the game's features, events, trailers, and more.