java.lang.NullPointerException
	at net.minecraft.entity.DataWatcher.func_75692_b(DataWatcher.java:148)
	at am2.entities.EntityZoneSpell.SetCasterAndStack(EntityZoneSpell.java:66)
	at am2.bosses.ai.EntityAIFireRain.func_75246_d(EntityAIFireRain.java:53)
	at net.minecraft.entity.ai.EntityAITasks.func_75774_a(EntityAITasks.java:123)
	at net.minecraft.entity.EntityLiving.func_70619_bc(EntityLiving.java:674)
	at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2147)
	at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:485)
	at net.minecraft.entity.monster.EntityMob.func_70636_d(EntityMob.java:41)
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1980)
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:264)
	at net.minecraft.entity.monster.EntityMob.func_70071_h_(EntityMob.java:49)
	at am2.bosses.EntityFireGuardian.func_70071_h_(EntityFireGuardian.java:204)
	at net.minecraft.world.World.func_72866_a(World.java:2863)
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:1007)
	at net.minecraft.world.World.func_72870_g(World.java:2809)
	at net.minecraft.world.World.func_72939_s(World.java:2616)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:887)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:781)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:663)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at net.minecraft.entity.DataWatcher.func_75692_b(DataWatcher.java:148)
	at am2.entities.EntityZoneSpell.SetCasterAndStack(EntityZoneSpell.java:66)
	at am2.bosses.ai.EntityAIFireRain.func_75246_d(EntityAIFireRain.java:53)
	at net.minecraft.entity.ai.EntityAITasks.func_75774_a(EntityAITasks.java:123)
	at net.minecraft.entity.EntityLiving.func_70619_bc(EntityLiving.java:674)
	at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2147)
	at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:485)
	at net.minecraft.entity.monster.EntityMob.func_70636_d(EntityMob.java:41)
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1980)
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:264)
	at net.minecraft.entity.monster.EntityMob.func_70071_h_(EntityMob.java:49)
	at am2.bosses.EntityFireGuardian.func_70071_h_(EntityFireGuardian.java:204)
	at net.minecraft.world.World.func_72866_a(World.java:2863)
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:1007)
	at net.minecraft.world.World.func_72870_g(World.java:2809)

-- Entity being ticked --
Details:
	Entity Type: arsmagica2.BossFireGuardian (am2.bosses.EntityFireGuardian)
	Entity ID: 95938
	Entity Name: Fire Guardian
	Entity's Exact location: -87.63, 32.01, -245.36
	Entity's Block location: World: (-88,32,-246), Chunk: (at 8,2,10 in -6,-16; contains blocks -96,0,-256 to -81,255,-241), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Entity's Momentum: 0.00, -0.08, 0.00
Stacktrace:
	at net.minecraft.world.World.func_72939_s(World.java:2616)