From FlyFF WIki
Where Can I Get One:
Sunstones are one of the most given items in the game. They can come from Masqerpets, events, Cash Shop etc.
Notice: All items carrying EVENT tag must be kept in Inventory or BackPack. EVENT items are not; Trade-able, Bankable, or Warehouse-able.
|Continent Content Color Reference:|
|World||Flaris||Coral Island||Saint Morning||Garden of Rhisis||Darkon||Azria|
|Shaduwar||Valley of the Risen||Kaillun||Traseia||Dark Traseia||Bahara Desert|