Boarding a ship can commence once a ships hull has been breached.
There are three types of troops used for boarding:
Any Infantry onboard the ship being boarded will need to be destroyed before a ship can be seized. Commanders are not taken into account for defense or offense if all assault troops or infantry have been destroyed. E.g. if the ship being boarded runs out of infantry, but still has commanders, the ship can be seized. If the boarding ship runs out of assault troops, but still has commanders, the boarding ship will not be able to continue the assault.
Boarding has the following limitations:
The formula for boarding is the following:
Casualties are calculated the following way: