Big Lyre
This lyre can be found slightly northwest of the King of Gods fast travel point.
To play the big lyre, you’ll need to first find the 3 small lyres scattered around King’s Peak. They will give you the order of the strings to play on the big lyre. At the big lyre, shoot the strings with arrows in the correct order to receive Coins of Charon.
Small Lyres
This lyre can be found in the southwestern corner of King’s Peak.
Enter the cave behind the statue to play the lyre. The order of the strings is 1423.
This lyre can be found northeast of the Punishment of Atlas fast travel point underneath a bridge.
The order of the strings is 22423.
This lyre can be found northeast of the Shrine of Metis fast travel point near a statue.
The order of the strings is 34423.