# Genshin Impact: Hydroculus Location in Merusea Village - How to Destroy the Underwater Rock
Melusines are a significant part of the Fontainian community in Genshin Impact. Aeval, the guide on the Romaritime Harbor Aquabus, is among the first Melusine players encounter. As she travels with new workers, she tries her best to share information, though she often seems lost in thought or forgetful. One thing she doesn't forget to mention is the existence of Elynas, the place where she and other Melusines come from.
When players reach the Beryl Region island, they won't find a Melusine village above ground. The village is underwater, within the remains of Elynas' body. Players get directions to the village during the Ancient Colors quest, but they can also visit Merusea Village without following any mission.
Upon arriving at the village, players will see two Hydroculus markings on their map. One Hydroculus is in plain sight, while the other is in a less obvious location. As players search for it, they may notice a water hole with a rock that can be interacted with. This rock in Merusea Village can be destroyed, but players need to complete a certain quest to do so. After accessing the other side of the blockage, Travelers can obtain the hidden Merusea Village Hydroculus.
How to Destroy the Underwater Rock in Merusea Village
To destroy the rock in the Merusea Village water hole, players must follow the Ancient Colors: Act II quest until the NPC in the story removes the blockage. The stone will be destroyed from the other side, so players need to access the lowest layer of Elynas first.
To unlock the lowest layer of Elynas, players need to collect strange parts in Genshin Impact to help Mamere fix Seymour. After fixing the robot, an earthquake will occur, removing the rock that was blocking the way to the lowest layer.
Then, to destroy the underwater rock in Merusea Village, follow the quest until players reach the underwater Merusea Village. The village can be visited without traveling with Mamere and Seymour, but the rock can only be removed with the robot's help.
After arriving in Merusea Village, Seymour will say there's a shortcut to return to the surface, and the robot will use its power to remove the blockage. From then on, players can use the Merusea Village water hole to transport between the underground and underwater sections of the place.
Merusea Village Hydroculus Location in Genshin Impact
The first Merusea Village Hydroculus can be easily found near Mamere's house.
The Hydroculus that players may have difficulty finding is located in the underwater Merusea Village, in front of one of the homes. Those who haven't started Mamere's Ancient Colors quest in Genshin Impact won't be able to access it. So, make sure to trigger the quest by going to the World Quest marker north of the Beryl Region Statue of the Seven.
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