The only known Skeleton Guilds is

C and C. Skel Army.

They're probably several other Undead guilds that do not have many members, are dead/destroyed, or are uprising and haven't been heard of yet.

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.