Leprechaun's Tall Hat

Leprechaun's Tall Hat is a rare-quality style item unique to the 2011 St. Patrick's Day event, Mxyzptlk's Mischief. Use of the item unlocks the Celtic head costume style.

Source
The Leprechaun's Tall Hat can obtained as a drop from story arc bosses during the 2011 St. Patrick's Day event.

Style unlock
Upon using the Leprechaun's Tall Hat, a character unlocks the Celtic head costume style, which can be accessed at any time from the Style Window.


 * Celtic