# Underwater World

Underwater World is one of the four [jewelry dungeons](/qol-changes/partyfinder/how-to-use-the-partyfinder.md) located in Aurania. To successfully complete this dungeon, you will need to have **900.000 HP**, which can be achieved with Shiny Damage equipment. For beginners, it is recommended to have a [Tank](/balance/self-sustain-tank.md) class and a 1o1 class for taking down the bosses.

Completing Underwater World is essential for upgrading your jewelry set to the Aura Jewelry Set. In this dungeon, you can obtain all the materials needed to upgrade your jewelry to the Sapphire set (INT). This set is ideal for players who rely on intelligence-based skills.

The Underwater World is challenging, but with the right equipment and skills, you can successfully navigate through it. There are multiple boss fights in this dungeon, and each one requires a different strategy to defeat. A team with well-equipped Shiny characters is necessary for completing this dungeon.

The rewards for completing Underwater World are significant. In addition to obtaining the necessary materials to upgrade your jewelry set, you can also earn valuable items such as upgrade stones and potions. It is worth noting that some of the items obtained in this dungeon can only be obtained here, making it a must-do for any serious Aurania player.

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