walnut room

i play on pc, it is a multiplayer world(nobody except me has grabbed a walnut) i'm on 99/100 of the walnut door and ive gotten at least 4 walnuts over 100 because i did the note block mermaid thing, i dont know what to do please help!

My friend and I have been playing a multiplayer game (always playing together, no one plays solo) and today realized there was a drastic difference in our Qi gems that didn’t make sense. We unlocked the Walnut Room somewhat recently and have attempted a handful of quests so far. The challenges...