| A chunk of the legendary metal can increase your chances when upgrading an item. The upgraded item can then neither be destroyed nor downgraded. |
Valentin Chest, 
Chief Orc's Box, Esoteric Leader's Box, Brutal Captain Chest, Queen Spider Box, Desert Tortoise Chest, Nine Tails' Chest, Flame King's Chest, Chest Of The Ghost Tree, Yellow Tiger's Chest, Demon King's Chest, Chest of Darkness, 
Event Chest, 
Olympic Chest, 
Nemere Chest, 
Chest Of Jotun Thrym, 
Reward Chest Ii, 
Reward Chest Iii, 
Chest Of Zodiac, 
New Year Gift, 
Chest Of The Razador,