Statue Armour Ghost, Luigi's Mansion Wiki

Statue Armour Ghosts are suits of armor that are controlled by ghosts, only appearing in Luigi's Mansion: Dark Moon. Two are controlled by two Strong Greenies, and six are possessed by the Tough Possessor, in the missions "Front-Door Key" and "Stop the Knightmare" respectively. Statue Armor Ghosts heavily resemble the suits of armor found in the Gloomy Manor, though they have spikes on their armor, one on each of the shoulders and multiple on the legs. Also, they wield either and axe or a sledge

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