Here is the full list of all 46 蛊婆 Lady in Tomb achievements.
Broke 4x Crocks.
Formulated pill for the first time.
Tried Gu bullet recipes for the first time.
Enhanced a Gu Impactor for the first time.
Killed 1x Soul Seeker.
Got the first collection.
Solve the two star puzzles each by two different methods
Solved sand box riddle.
Witnessed Jiuxun inheriting Snake Wand.
Formulated pills for 100 times.
Tried Gu bullet recipes for 200 times.
Get all kinds of Gu Impactors and tried all enhance methods.
Use Gu Technique for the first time.
Use Gu Techniques for 100 times.
Killed 400x Soul Seekers.
Killed 2x Soul Seekers together with one shot.
Killed 5x Soul Seekers together with one shot.
Completed all collections.
Collected all files.
Collected all items.
Abandoned not even a single item.
Completed a single gameplay without opening the storage chest for even once.
Used not even a single pill.
Completed a single gameplay with less than 3 saves.
Increased Max HP to the limit.
Explored all areas.
Completed Hua Man's story.
Dealt XX damage to the Four-handed Statue.
Maxed out the Backpack capacity.
Completed a single gameplay with less than 120 minutes.
Completed a single gameplay with less than 8000 steps.
Opened all Eight-trigram locks.
Solved Chime Bells riddle.
Solved the main coffin riddle.
Saved Jiuyue.
Got Sara Jane.
Failed to get Sara Jane.
Took Spirit Channeling Gu.
Refused to take Spirit Channeling Gu.
Ending: Saved Grandpa and took Spirit Channeling Gu.
Ending: Failed to save Grandpa but took Spirit Channeling Gu.
Completed all ending.
Complete all achievement.
Complete the game under "Suffer"
Take Spirit Channelling Gu and complete the game in "Heaven" difficult
Solve the star puzzle in the west area by at least 6 different methods