For when you just don't want to be bothered by mobs.
Upon wearing this item, you will have the effects listed in the item description. The aura mentioned has a range of 3 blocks, and isn't restricted by whether or not the particles touch the mob(s) like the Orbit Olly is. This item also has an extra effect when wearing the Pumpkin Helm, and while wearing those two, it gives the Pumpkin Launcher an extra effect.
How to Obtain
This item can be found in the Spooky Chest.