Mystery Upgrade Stone III is a Legends of Idleon item: dropped by 22 monsters. Drag onto any Equip to apply. Success Chance; 50% Uses up 1 slots only if Successful. WARNING:Mystery Stat has a chance to be Negative, and reduce stats!

Mystery Upgrade Stone III | Idleon Toolbox

Drag onto any Equip to apply. Success Chance; 50% Uses up 1 slots only if Successful. WARNING:Mystery Stat has a chance to be Negative, and reduce stats!

Mystery_Upgrade_Stone_III

Kattlekruk

Chaotic_Kattlekruk

Sacrilegious_Kattlekruk

Bronze_Chest(W5)

Silver_Chest(W5)

Golden_Chest(W5)

Crystal_Capybara

Dandelioli_Tree

Equinox_Willow

Suggma

Maccie

Mister_Brightside

Cheese_Nub

Stiltmole

Molti

Purgatory_Stalker

Citringe

Lampar

Fire_Spirit

Biggole_Mole

Crawler

Tremor_Wurm