To unlock and complete the Bookworm Swordsman Story Quest in Genshin Impact, which is part of Xingqiu's story, follow this guide.
Image via HoYoverse.
Unlocking the Quest 
1.Adventure Rank Requirement: You need to be at Adventure Rank 26 or above.
2.Prerequisites: Ensure you have completed the necessary preceding quests, notably including some storyline progression in Liyue, as this quest involves characters and settings from that region.
3.Location: Starting Point: Begin the quest by heading to Liyue Harbor. Specifically, you'll want to visit Wanwen Bookhouse where the quest typically initiates.
Quest Walkthrough
4.Initiate the Quest: Go to Wanwen Bookhouse in Liyue Harbor. There, you'll likely meet characters involved in the book trade or related activities, setting the stage for your quest involving Xingqiu.
5.Visit Qingce Village: Your first task might lead you to Qingce Village to find Chang the Ninth, a scholar or writer. His house is at the highest point of the village. Use the waypoint, head northwest, and climb up.
6.Return to Liyue: After speaking with or helping Chang the Ninth, you might need to return to Liyue to continue your quest, potentially involving more interactions or finding specific items.
7.Gentry Maocai's Residence: You'll need to go to Gentry Maocai's residence in Liyue Harbor. The location should be marked on your map.
8.Cor Lapis Collection: One segment of the quest involves collecting Cor Lapis. You'll have to buy all available Cor Lapis in Liyue Harbor and then head to The Chasm to buy any remaining or find them around the area.
9.Confrontation or Event: There might be a confrontation or event at a warehouse or similar location after gathering materials, where narrative elements unfold.
10.Conclusion: After completing all tasks, return to the quest giver or a key character like Xingqiu to conclude the quest, discussing the outcomes or reflecting on the events.
Quest Rewards
•Adventure EXP: Approximately 350
•Mora: About 19,800
•Hero's Wit: 2
•Mystic Enhancement Ore: 4
Quest Tips 
•Elemental Synergy: While this quest might not require combat, having a party with good elemental synergy can help with any incidental combat or environmental puzzles.
•Exploration: Use this opportunity to explore areas you visit for other resources or hidden quests.
Remember, while this guide provides a general walkthrough based on typical quest patterns in Genshin Impact, specifics might vary slightly with game updates or if there are unique elements to Xingqiu's quest not covered in general outlines. Always follow the in-game quest tracker for precise directions and objectives.
