After Naku Weed Basket stop giving chest, find 3 notebooks here to obtain A Doctor's Odyssey Achievement the go to the South shoal for the Luxurious Chest : r/GenshinImpactTips
Yasumoto naku weeds luxurious chest ( Final version ) Genshin Impact | HoYoLAB
Treatment on the Island World Quest Walkthrough and Rewards | Genshin Impact|Game8
After providing Naku weed for 3 days to the pharmacist and after getting the 3 notes, you will receive a Luxurious chest. : r/Genshin_Impact
Luxurious chest (after no more naku weed offering) stumbled upon it! : r/GenshinImpactTips