Gloomtail's sprite from Paper Mario: The Thousand-Year Door.
First Game Paper Mario: The Thousand-Year Door (2004)
Appearances Paper Mario: The Thousand-Year Door
Gender Male
Homeland Palace of Shadow
Location Palace of Shadow
Species Dragon
Family Hooktail (Younger Sister)
Bonetail (Older Brother)
Attacks Chomp, Bite, Megabreath, Earthquake, Poison Breath

Gloomtail is a boss found in the game Paper Mario: The Thousand-Year Door in the location Palace of Shadow.


He is in the middle-aged member of the Tail family being the younger brother of Bonetail and the older brother of Hooktail. Gloomtail desires to destroy Mario after hearing that he defeated his younger sister, Hooktail. He guards the Star Key required to unlock pedestals in the Riddle Tower.


When Mario and co. reach the end of Palace of Shadow, the find Gloomtail who desires to battle Mario and co. Gloomtail has attacks that are dangerous, especially the Megabreath move being his most powerful attack. He also attacks with his poison breath, doing an Earthquake which, however, doesn't Vivian and Flurrie. He also can finally chomp or stomp on Mario and co.

After Mario and co. defeat Gloomtail, he releases the Star Key which Mario can now use to afford the pedestals found in the Riddle Tower.

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