BETA: Reworking '''Ballista''' from core to datapack.
* Reviewed by: Adry_85, malyelfik, Nos, !UnAfraid

git-svn-id: http://svn.l2jdp.com/branches/unstable/L2J_DataPack_BETA@10186 5288da4f-0efc-0310-bd40-8d490a2659fa