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The Ancient Poltergeist looks similar to regular Poltergeists, except the Ancient Poltergeist is cobalt blue with a cyan brain.
Battling the Ancient Poltergeist is similar to battling the other Poltergeists. Simply reveal him with your strobulb and use the Poltergust 5000 on him until you capture him. During the battle, he will toss bricks at Luigi and summon Sneakers. Once defeated, he drops a Clock Hand. The Ancient Poltergeist appears once in the game; in mission C-3: Roundhouse Brawl.
|Luigi · Professor E. Gadd · King Boo · Mario|
|Ancient Poltergeist · Boo · Creeper · Gobber · Greenie · Gold Greenie · Hider · Poltergeist · Polterpup · Slammer · Sneaker · Strong Gobber · Strong Greenie · Strong Hider · Strong Slammer · Strong Sneaker · The Three Sisters|
|Grouchy Possessor · Harsh Possessor · Overset Possessor · Shrewd Possessor · Tough Possessor · King Boo|
|E. Gadd's Bunker · Evershade Valley · Gloomy Manor · Haunted Towers · Old Clockworks · Secret Mine · Treacherous Mansion|
|Dark Moon · Dark-Light Device · Dual Scream · Golden Bone · Key · Poltergust 5000 · Strobulb|