Side Quest: Invisible Treasure Chests

From Lost Odyssey Wiki

Once you obtain the Sunderch Glasses after playing Cubic Music Score 9, you can revisit certain areas and invisible treasure chests will now be revealed.

Zone	Location	Treasure
Uhra - Residential Area	By the playground the dead end on the southern side.	Zephyrus
Uhra - Gongora's Mansion - Secret Cave	In the area with 3 empty treasure chests (left side)	Composite Magic Book
Ipsilon Mountains - Near Mountain Hut	In a dead end that leads South East at the base of some tree roots.	Coverus
Ipsilon Mountains - Peak	To the right of the Save Orb.	Forceus
Sea of Baus - Eastern Shore	On the eastern side of the zone near the water's edge.	Prismus
Crimson Forest - Sorcerer's Shrine - Altar of the Abyss	Against the back wall close to where you fought the boss.	Cursed Crest
Northern Cape	Near the edge of the cliff at the end of the path to the right.	Death
Old Sorceress' Mansion	Outside to the right of the steps that lead to the front door.	Master Earrings
Ice Canyon -Snowy Plateau	To the right of the area where you fought the boss go up a path that'll take you to a ledge with the chest.	Regenerus
Gohtzan Refugee Camp	Take the ladder that leads to the hot springs and then climb another ladder and go across a small bridge.	All-Mindus
Gohtza - Low Town	Go down a ladder to a small balcony in the middle of the area. There is nothing else on this balcony. the ladder is located on the right hand side of the third bridge from the south there should be a cat on a box next to the ladder.	All-Powerus