I cannot, for you must find it. When the time is right, you'll find golden bead in your pocket. Then you must say the words: "Humminus pumminus summinus" while standing on your head and drinking bat blood. The portal to the caves on N'galor then opens up where you'll have to fight hordes of zombies evil wizard Gorgalazh has summoned with 2nd WW soldier and crusader. After you have defeated the wizard you may loot his corpse for the golden key that'll lead you to the exact location of this chest.
The evidence can be found in wooden box near the forest of your home where you spent your childhood. When you see the big tree that appears to be smiling walk north east from it with 750 steps and you'll find the next clue to the whereabouts of the chest.