Wuthering Waves has a dynamic world, and you can see changes around the world depending on how far you are in the story or by completing world quests. Cartethiya is a character that is very crucial to Wuthering Waves' current storyline, and like the Shorekeeper in Tethys Hub, you can find Cartethiya walking around there as well. There are some prerequisites to have Cartethiya show up at Blackshore. Here is everything you need to know about the newest guest in the Black Shores
Where To Find Cartethiya In Black Shores

To get Cartethiya to visit Black shores, you must have progressed into the main story quest that takes place in Septimond. After solving the mystery of Threnodian’s corruption of Septimond and saving Lupa from her tragedy, Rover sends Cartethiya to the Black shores for something like a health checkup.

After the main story quest is completed, you must head to Solis Tavern Cafe in Capitoline Hill, Septimond. You can find Cartethiya casually eating in the cafe, and if you approach her, a small quest called “Three Wishes” will start.
After the quest is completed, you can head to Blackshores to find Cartethiya at Tethys Hub.
Cartethiya will be visible at 14:00 in-game, and you can approach her for a small interaction.
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