4 The Mega Slime (Boss idea) April 10, 2012 by Mr.Hallow You can summon the Mega Slime by putting 5 Slime Crown and 2 Soul of Might to make the Slime Ruler item. Read more > Retrieved from "http://terraria.wikia.com/wiki/User_blog:Mr.Hallow" 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.