After the Free Update patch, this item becomes a free default item in all player's inventories.
When using this set, the player can deal 30% more attack damage to zombies as default damage and can be increased to 230% (purple) when Morale Boost increases.
When turning into a zombie and killed, the player can revive almost instantly.
After 12 March 2015 update in South Korea.
This item is only available for Zombie Hero mode.
This set was released alongside Zombie: The Hero and Double-barreled shotgun on:
- Singapore/Malaysia: 21 December 2011.
- Indonesia: 15 February 2012.
- Turkey: 20 November 2013.
This set was released alongside Open Beta Test and other zombie sets on:
- CSN:Z: 23 September 2014.
- Vietnam: 26 March 2015.
- In Indonesia region this item is named "Combat master".