When Flying Lab Software (FLS) converted from Sony Online Entertainment (SOE) monthly subscription payment model to Free-to-Play (F2P). They introduced the Treasure Aisle (TA) store (In-game premium shop) as well as Burning Sea Note which, once used, will put 300 Burning Sea Points into your Account's pool - to be spent amongst any of your characters. Treasure Aisle can be found with keyboard key 'T'.
