Negroka Boomerang

About
Negroka Boomerangs are the most powerful Boomerang in Minecraft. It can be used on a Negroka Skaidron 6 times to kill one. It can even give any other mob (except other Dragons and Skaidrons and Iron/Fire/Diamond Golem) an OHK. Negroka Boomerangs are crafted with 4 Silver and a Negroka Star.