Comments0 Idea:Cannonball XFlight May 17, 2012 User blog:XFlight NPC: Merchant I D E A : Cannonballs look like little balls made of Silver, almost with the same size of Orb Of Life item. Cannonballs are required for a Cannons to work. Cannonballs will be made of 5 Iron, or Merchants will sell them if Wall Of Flesh is defeated. Retrieved from "http://terraria.wikia.com/wiki/User_blog:XFlight/Idea:Cannonball?oldid=277141" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.