ye must defend yer vessel with yer two crewmen against th' threat o' th' seas : Sea Serpents, th' Kraken, Giant rocks and scurvy dogs! 

Since ye're a Corsair ye already be knowin' how t' load a cannon, but just in case ye forgot, I will be tellin' ye how. Load a cannon by bringin' ammo t' th' cannon, then ye need t' get a rammer and push down th' ammo. ye should then put th' rammer back whar ye took it t' keep thin's nice and tidy on th' deck. Now hold tight and get ready fer a blast. If ye have good aim ye should hear th' agonizin' scream o' a sea monster, by Blackbeard's sword!

Firin' a cannon may be a blast hehe, but ye should keep an eye on th' lookout fer potential dangers, I'll warrant ye! If ye think thin's be in a terrible condition, use th' wheel without th' Cap'n's permission, as long as th' ship be safe, he won't mind.