That side-achievement implying that flute and harmonizing crystals is awesome, and I wonder, why not making it bigger like 10 songs to play and rewarding at final step the said flute? Just like that chair achievement but for that flute? It sounds great, the symbols apparitions add a touch of magic. A nice chilling moment within a map that is already cold.
Shiny links, take a look!
->Ideas: Housing , Designing a new lounge , New GameMode
->Project: ASURAN/PRIMORDIUS EXPANSION available on WIKI.
->NEW: Crucible of Eternity path 4: Legacy on WIKI