Knockout Nemesis 3000

The Knockout Nemesis 3000 is a weapon that is used by Chokun.

Ninjago.com Description
It's not so much a hammer as a block-shaped boulder. A little on the heavy side, but a safe choice both in battle, hitting something really hard to get people's attention, or creating minor tremors to scare off an enemy army.

Set Apperances

 * 9591 Weapon Pack
 * 853111 Exclusive Weapon Training Set (very similar weapon)