Here’s a guide for "Treasure Lost, Treasure Found" quest in Genshin Impact, following common patterns for treasure-related quests.
Unlocking the Quest 
1.Location: This quest usually starts in Liyue, with Soraya, an archaeologist found near Guili Plains or Wangshu Inn.
2.Prerequisites: There might not be strict prerequisites, but being familiar with Liyue's landscape and having completed some initial Liyue quests could be beneficial.
Quest Walkthrough
3.Starting the Quest: Speak with Soraya, who will express her interest in ancient treasures and ask for your help to find some lost artifacts.
4.Finding the Ancient Stone Tablets: First Tablet: Soraya might give you a clue about its location, typically involving some exploration around Guili Plains. Look for areas with ruins or unusual earth formations.
5.Second Tablet: This could be in a slightly more remote or hidden spot, perhaps requiring you to solve a simple environmental puzzle like lighting torches or breaking a rock formation with a Geo character.
6.Return to Soraya: After finding the tablets, return to Soraya. She might decipher them, revealing the next steps or locations.
7.Search for the Treasure: First Treasure Site: Often involves a small combat challenge or a puzzle. It might require activating mechanisms in the right order or dealing with some hilichurls or treasure hoarders.
8.Second Treasure Site: This could be hidden underground, requiring you to find an entrance or perhaps use an Anemo character to reveal hidden pathways or mechanisms.
9.Final Treasure Location: After gathering clues or items from the previous sites, you'll be directed to the final treasure spot. This might involve a more complex puzzle or a mini-dungeon with enemies or a guardian to defeat.
10.Concluding the Quest: Once you've unearthed or unlocked the final treasure, return to Soraya with your findings. She might offer some historical context or lore, completing the quest.
Quest Rewards
•Adventure EXP: Approximately 450-600
•Primogems: Around 60-90 for completing the quest
•Mora: A good amount, potentially 20,000 or more depending on quest difficulty
•Artifacts: You might get a set of artifacts or a unique item related to Liyue’s history.
•Character Experience Materials: Like Hero's Wit.
Quest Tips 
•Exploration Tools: Use characters with abilities that reveal hidden items or paths, like Amber's bunny for distractions or Anemo skills to clear debris.
•Elemental Diversity: A team with various elements can help solve puzzles faster or deal with enemies efficiently.
•Patience with Puzzles: Some puzzles might not be straightforward. Look for elemental symbols or use Elemental Sight to see what might be interactive.
•Co-op Mode: If you find the puzzles or combat challenging, playing in co-op can make the process easier or more enjoyable.
•Treasure Compass: If you have the Treasure Compass for Liyue, it can be particularly useful in this quest for locating the treasure chests or clues.
Remember, while this guide provides a structured approach, the specifics might differ slightly with game updates or if there are variations in quest implementation. If details have changed or if you need the latest strategies, checking in-game logs or recent community posts would be beneficial.
