Wapens
Ballistae
It takes 1 action to load a ballista, 1 action to aim it, and 1 action to fire it.
Mangonel
It takes 2 actions to load the mangonel, 2 actions to aim it, and 1 action to fire it.
Tentacles
As an action, the ship's spelljammer can make one of the following attacks with the ship's tentacles.