The Crescent Coralhead is a standalone armor piece that can be acquired from the Linkman the Junkman at a price of 650,000 gold. Other methods of acquiring the Krunkston Four include but are not limited to:
While equipped, the armor piece will give the user 14 armor points, while also boosting their damage of all types by 100, which is considered useful for players who are going along the path of a hybrid class mixed with melee, ranged, and/or magic.
In appearance, it's a crescent shaped piece of coral.
<gallery> RobloxScreenShot20180723_184949946-0.png | A player wearing the Crescent Coralhead