Hammer ships (such as the <link="proto:ramming ship greek">Pentekonter</link>) can defeat <link="topic:siege ships">siege ships</link>.

Greek: <link="proto:ramming ship greek">Pentekonter</link>

Egyptian: <link="proto:ramming ship egyptian">Ramming Galley</link>

Norse: <link="proto:ramming ship norse">Drakkar</link>
