Our staff team is looking for a plugin to stack entities within a specified radius, and with a configurable list of mobs it does not apply to.
Similar to:
http://www.mc-market.org/threads/21199/
http://desteria.com/community/threads/40181/
Similar to:
http://www.mc-market.org/threads/21199/
http://desteria.com/community/threads/40181/
