The Grudge Pit Discoveries

It's possible to loot the one chest on the mushroom from below the platform to get the achieve, I wasn't able to jump onto it

All Midnight: Leave No Treasure Unfound chests

1. 
   
2. Parhelion Plaza Discoveries (Bombing Run / Holding the Line / March of the Arcane Brigade)
   /way 9.57 50.34 Sturdy Chest (Bombing Run & Holding the Line & March of the Arcane Brigade))
   /way 41.11 86.83 Sturdy Chest (Bombing Run & March of the Arcane Brigade)
   /way 22.34 60.99 Sturdy Chest (March of the Arcane Brigade)
   

   All Parhelion Plaza Discoveries Chests location video: https://www.youtube.com/watch?v=Yq7A8vfSULk

   
   
3. 
   
4. Collegiate Calamity Discoveries (Invasive Glow / Faculty of Fear / Academy Under Siege)
   /way 30.91 12.35 Sturdy Chest (Faculty of Fear & Invasive Glow)
   /way 29.58 53.96 Sturdy Chest (Invasive Glow)
   /way 81.32 32.06 Sturdy Chest (Invasive Glow)
   

   All Collegiate Calamity Discoveries Chests location video: https://www.youtube.com/watch?v=1__iulsP6UY

   
   
5. 
   
6. The Darkway Discoveries (Focusers Under Pressure / Ogre Powered / Leyline Technician)
   /way 41.62 48.25 Sturdy Chest (Ogre Powered & Focusers Under Pressure)
   /way 45.61 45.36 Sturdy Chest (Focusers Under Pressure)
   /way 53.00 43.06 Sturdy Chest (Focusers Under Pressure)
   

   All The Darkway Discoveries Chests location video: https://www.youtube.com/watch?v=gTnP8_7ONks

   
   
7. 
   
8. The Shadow Enclave Discoveries (Traitor's Due / Mirror Shine /Shadowy Supplies)
   /way 54.65 48.72 Sturdy Chest (Mirror Shine & Traitor's Due)
   /way 54.61 84.97 Sturdy Chest (Mirror Shine & Traitor's Due)
   /way 55.93 34.41 Sturdy Chest (Mirror Shine & Traitor's Due)
   

   All The Shadow Enclave Discoveries Chests location video: https://www.youtube.com/watch?v=N6-8cmu5yhU

   
   
9. 
   
10. Atal'Aman Discoveries (Totem Annihilation / Toadly Unbecoming / Ritual Interrupted)
    /way 53.01 65.36 Sturdy Chest (Toadly Unbecoming & Totem Annihilation)
    /way 52.99 57.94 Sturdy Chest (Toadly Unbecoming & Totem Annihilation)
    /way 48.33 50.51 Sturdy Chest (Totem Annihilation)
    

    All Atal'Aman Discoveries Chests location video: https://www.youtube.com/watch?v=3rq1Q6nwjFI

    
    
11. 
    
12. Twilight Crypts Discoveries (Party Crasher / Loosed Loa / Trapped!)
    /way 46.88 50.02 Sturdy Chest (Loosed Loa)
    /way 21.70 36.26 Sturdy Chest (Loosed Loa)
    /way 56.83 85.80 Sturdy Chest (Loosed Loa)
    

    All Twilight Crypts Discoveries Chests location video: https://www.youtube.com/watch?v=AJw4cwamRO0

    
    
13. 
    
14. The Grudge Pit Discoveries (Dastardly Rotstalk / Lightbloom Invasion / Arena Champion)
    /way 36.97 28.56 Sturdy Chest (Lightbloom Invasion & Dastardly Rotstalk)
    /way 69.88 31.65 Sturdy Chest (Dastardly Rotstalk)
    /way 67.61 59.49 Sturdy Chest (Dastardly Rotstalk)
    

    All The Grudge Pit Discoveries Chests location video: https://www.youtube.com/watch?v=UjbKbQSafjE

    
    
15. 
    
16. The Gulf of Memory Discoveries (Descent of the Haranir / Sporasaur Special / Alnmoth Munchies)
    /way 39.89 26.70 Sturdy Chest (Sporasaur Special)
    /way 54.26 25.21 Sturdy Chest (Sporasaur Special)
    /way 55.49 26.14 Sturdy Chest (Sporasaur Special)
    

    All The Gulf of Memory Discoveries Chests location video: https://www.youtube.com/watch?v=ho_oinh2IWk

    
    
17. 
    
18. Sunkiller Sanctum Discoveries (Core of the Problem / Not What I Expected / The Gravitational Effect)
    /way 49.75 50.59 Sturdy Chest (Not What I Expected & Core of the Problem)
    /way 38.14 49.00 Sturdy Chest (Core of the Problem)
    /way 60.11 40.78 Sturdy Chest (Core of the Problem)
    

    All Sunkiller Sanctum Discoveries Chests location video: https://www.youtube.com/watch?v=qCUz5lgBNcw

    
    
    
19. 
    
20. Shadowguard Point Discoveries (Stolen Mana / Captured Wildlife / Calamitous)
    /way 58.63 60.55 Sturdy Chest (Captured Wildlife)
    /way 41.80 53.75 Sturdy Chest (Captured Wildlife)
    /way 58.23 41.52 Sturdy Chest (Captured Wildlife)
    

    All Shadowguard Point Discoveries Chests location video: https://www.youtube.com/watch?v=p4KN9I4Tnwg

    
    
21. 
    

The difficult treasure is opposite of the main entrance. It's just above and behind where the Leave-O-Bot 7000 spawns, on the right-most of the three large mushrooms.