Ghoul Trooper was a part of the Fortnitemares Update (Season 1) and a weekly object for the Halloween event.
Ghoul Trooper is a set of clothes a ghoul with a greenish skin. It is a one of the rarest cosmetic items. It is selected to customize your player.
How to get
Unfortunately, it has expired. It may return to the Item Shop soon, likely Friday the 13th or next Halloween.
It is possible to gear up the Ghoul Trooper outfit in the Locker before the match occurs.