Kill the unkillable boss in minecraft!

The unkillabe boss in Minecraft is it /he/she really unkillable? well we all know every thing has a weakness and this weakness may not be the weapons you use directly on the boss.

To kill th eunkillable boss you have to play this very smart. Watch how this is done! being careful not to attack directly! See how everything is used on the boss and how to get around his power. Sometimes you have to retreat and know when to go and fight again.