In theGenshin ImpactThe Gourmet Supremos: The Deep Diversworld quest, you’ll need to look low. Xudong and the other Gourmet Supremos are inside of an underground cavern, which you can glide down into at the location marked below.
Related:Genshin Impact Orobashi’s Legacy: Part I Quest Guide
The ingredient that the Gourmet Supremos are searching for this time is Fresh Seagrass.
If you’ve already completed the world questOrobashi’s Legacy: Part II, you may skip this next step. If you haven’t, climb back out of the grotto (teleporting to the nearest waypoint may be easiest). Grab theElectrogram right outside of the cavern opening, drop back down, andpass the barrier toactivate the mechanism.
The water will recede, allowing you to explore the ruins below.Defeat three Ruin Sentinelsto activate the cubes and gain further passage into the ruins (along with a chest). Deeper inside, you’ll encounter a Seelie, which will lead you down a hallway containing theFresh Seagrass on the right side.
Take down the Slimes that appear, grab the Fresh Seagrass, and follow the Seelie back out of the ruins.
If you haven’t completedOrobashi’s Legacy: Part II,you’ll also encounter a purple rock near the end of the ruins corridor. Pick this up, since you’ll need it for that quest.
Use anElectro attack on the Elemental Monumentto unlock the ceiling gate, then grab thenearby Electrogramanduse the Thunder Spheresto glide up and out of the ruins.
Now just return to Xudong and the others and hand over the Fresh Seagrass to obtain your rewards, which include:
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