Mustaine's Milestone Mashing Morningstar is a piece of Legendary Equipment that is awarded to any player who completes The Iron Knight, the third and final quest in the Golden Knight quest line, which begins with A Stern Talking-To. It is carried in the shield hand. You can only ever have one copy of Mustaine's Milestone Mashing Morningstar at a time; subsequent completions of the quest do not give you additional copies. However, if you lose Mustaine's Milestone Mashing Morningstar by death, you can get it back by either: