Tidal Black Stone

- Description: A Black Stone bearing the might of turbulent tides used to draw out a special power from ship equipment. - Right-click - Usage: Upgrade ship equipment - How to Obtain Exchange with Crow Coin x10 at the Crow Coin Shop Barter with [Level 1 to 4] Sea Trade Goods Exchange with [Level 2 to 3] Sea Trade Goods via Baori at Iliya Island Defeat monsters

- Additional use requirements are not yet decoded; this is not a complete eligibility check.