# Game System

- [Lost Map](/oasismu/game-system/interactive-blocks.md): Kalima is the place where the great lord Kundun was exiled.
- [Event Monsters](/oasismu/game-system/interactive-blocks-1.md): As the name suggests, these are monsters that appear in events such as Blood Castle and Devil Square.
- [Monster Soul Quests](/oasismu/game-system/interactive-blocks-2.md): Special quests for which you can get interesting rewards. To activate them, you need to buy Soul Convertor from the NPC vendor James (Ruud Shop)
- [Jewel of Harmony](/oasismu/game-system/interactive-blocks-3.md): This is a system that grants Harmony bonuses to certain items of your equipment.
- [Custom Jewels](/oasismu/game-system/interactive-blocks-4.md): There are New Custom Jewels available in our server!
- [Trophies of Battle](/oasismu/game-system/interactive-blocks-5.md): Its a "Target farming" reward system, that allows you to choose a reward according to your needs.
- [Earings](/oasismu/game-system/interactive-blocks-6.md): Earrings are high-level items that can all be worn as equipment items. These accessory items have unique "Earring Options" that will give your character that extra boost you need!
- [Pantagrams & Ertels](/oasismu/game-system/interactive-blocks-7.md): The Elemental Attack and Defense system in the game.
- [Socket Items](/oasismu/game-system/interactive-blocks-8.md)
- [Archangel Weapons](/oasismu/game-system/interactive-blocks-9.md): Archangel items are some of the most powerful items in MU.
- [Guardians](/oasismu/game-system/interactive-blocks-10.md): Description
- [Artifact System](/oasismu/game-system/interactive-blocks-11.md): Description
- [Castle Siege](/oasismu/game-system/interactive-blocks-13.md): Description