Black Gunpowder is a useable item which increases your hitchance.
These can be obtained by the following:
Only 1 gunpowder is used per shot, not per cannon shot. So even though your ship has 300 cannons, only 1 gunpowder will still be used.
Calculation[]
When using gunpowder, the following calculations are made to determine your new hitchance.
Normal shot[]
(
Number of Cannons
х
Ammunition Damage
х
Bonus Damage
)
= Damage
Critical shot[]
(
Number of Cannons
х
Ammunition Damage
х
(
Bonus
+
Critical Damage
)
)
= Damage