Prontera is a central city in the popular MMORPG Ragnarok Online. It serves as a hub for players, offering various services such as shops, banks, and quest givers. The city is known for its iconic castle and vibrant marketplace, where players can buy and sell items. In Prontera, players can also find important NPCs (non-player characters) that provide quests and information. The city is often bustling with activity, making it a key location for social interaction and community events within the game. Its design reflects a medieval fantasy theme, enhancing the immersive experience for players.