1.0.1: Blood Magic demons throwing exception

[Eberhardt22]

Version:
1.0.1

What is the bug:
Spawn BoulderFist, kill BoulderFist crash every time...

Spoiler: Crash

[09:50:45] [Server thread/ERROR] [FML]: An Entity type WayofTime.alchemicalWizardry.common.entity.mob.EntityBoulderFist has thrown an exception trying to write state. It will not persist. Report this to the mod author
net.minecraft.util.ReportedException: Saving entity NBT
at net.minecraft.entity.Entity.func_70109_d(Entity.java:1359) ~[sa.class:?]
at net.minecraft.entity.Entity.func_70039_c(Entity.java:1298) ~[sa.class:?]
at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75820_a(AnvilChunkLoader.java:346) [aqk.class:?]
at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:197) [aqk.class:?]
at net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:256) [ms.class:?]
at net.minecraft.world.gen.ChunkProviderServer.func_73151_a(ChunkProviderServer.java:302) [ms.class:?]
at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:808) [mt.class:?]
at net.minecraft.server.MinecraftServer.func_71267_a(MinecraftServer.java:318) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:350) [MinecraftServer.class:?]
at net.minecraft.server.integrated.IntegratedServer.func_71260_j(IntegratedServer.java:241) [bsx.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:480) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [?:?]
Caused by: java.lang.NullPointerException
at net.minecraft.entity.DataWatcher.func_75683_a(SourceFile:83) ~[te.class:?]
at WayofTime.alchemicalWizardry.common.entity.mob.EntityBoulderFist.getCollarColor(EntityBoulderFist.java:381) ~[EntityBoulderFist.class:?] at WayofTime.alchemicalWizardry.common.entity.mob.EntityBoulderFist.func_70014_b(EntityBoulderFist.java:130) ~[EntityBoulderFist.class:?]
at net.minecraft.entity.Entity.func_70109_d(Entity.java:1342) ~[sa.class:?]
... 11 more

Mod & Version:
Blood Magic-v1.2.0a(1.7.10)

Paste.feed-the-beast.com log:
http://paste.feed-the-beast.com/view/633d633e

Can it be repeated:
yes

Known Fix:
Don't Spawn BoulderFist?