Volcano Lair

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The base no self-respecting supervillain can do without.

Mr. Incredible: I've been meaning to ask you. Of all places to settle down, why...
Mirage: A volcano? My employer is attracted to power. As am I. It's a weakness we both share.
Mr. Incredible: Seems a little... unstable.
Mirage: I prefer to think of it as misunderstood.
Mr. Incredible: Aren't we all?

Some people want to live not at volcano's feet, but in a volcano. Whether it's active or extinct. After all, a crater inside some big mountain is a relatively defensible location, there's plenty of free geothermal power, it looks impressive, and Everything's Cooler With Lava. Usually Supervillain Lair, but not always. Naturally predisposed to become a Collapsing Lair.

Most feature labyrinthine cave complex, Lava Pits and use of free heat. Often done in a rather careless manner. May or may not be located on an island. In a video game, becomes Lethal Lava Land.


Examples:

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     Anime and Manga 
  • Great Mazinger: Marquis Janus, one of the villains of the Mazinger Z sequel had an Island Base with an artificial volcano built on the center. Its eruptions could be set off and stopped at will. Often it was used to blast Great Mazinger with a rain of hot-molten rocks, debris and volcanic cinders in order to slow down its advance or hinder The Hero Tetsuya as he battled.
  • Kotetsu Jeeg: Queen Himika's Home Base was inside a volcano.
  • Starscream's temporary base in Transformers Cybertron is located on a volcanic island in the Pacific. Since he and his minions are giant alien robots, the heat is not an issue. Hell, Thunderblast enjoys bathing in the lava.
  • In Pokémon, Blaine set up his gym inside the volcano of Cinnabar Island. Not surprisingly, he specializes in Fire-type Pokemon. Many other Fire-type-specializing Gym Leaders also set up their gyms in volcanoes or similar.

     Comic Books 
  • Used interestingly in one Buck Danny story. While flying, Buck spots a smoking volcano island and flies over it, taking pictures to send to volcanologists. Which is how he discovers the volcano isn't active but used as a secret base by the bad guys, who use smoke emitters to disguise their operations.

     Fan Fic  

     Film  

     Films — Animation  
  • The Incredibles — Syndrome's base at Nomanisan Island. Mr. Incredible directly asks Syndrome's Sexy Secretary why he'd build his home at a volcano, and she respond it's because he's attracted to power, as well as the rich soil that lets them grow delicious food on the island.

     Literature  
  • Dragonriders of Pern has all "classic" Weyrs made this way (one of the rare occurrences of this trope with extinct volcanoes,) but not early or later ones.
  • Evil Harry Dread, the low-budget Evil Overlord in The Last Hero, complains that other Dark Lords somehow manage to get volcano lairs even when the local geology is completely wrong for them.
  • The eponymous Higher Institute of Villainous Education in the H.I.V.E. Series is one.

     Live Action TV  
  • The villain Moltor of Power Rangers Operation Overdrive bases his operations inside one of these, in sharp contrast to his brother Flurious, who resides inside of an icy cave lair.

    Radio 
  • Bleak Expectations: During series 4, Big Bad Mister Benevolent finds a volcano on a dessert (as it, it's actually made of dessert) island. For reasons he can't properly explain, he felt the need to add a self-destruct option that anyone could touch. And naturally, it gets set off.

     Tabletop Games  
  • Dungeons & Dragons
    • Dragonlance — The biggest Minoi settlement around is Mount Nevermind. A combination of their smokepowder storage facility and one angry red dragon led to reactivation of the volcano and subsequent discovery of useable geothermal energy.
    • Forgotten Realms — Firenewts live in volcanic mountains. Because they need lava pit-grade heat.
    • Red dragons, being immune to fire, prefer hot lairs including volcanoes.

     Video Games  

     Web Comics  

     Web Original  

     Western Animation  
  • In the My Little Pony TV show and movie, witches lived in the Volcano of Gloom.
  • The titular Superjail! is inside a volcano that's inside another volcano.
  • In Defenders of the Earth, the Defenders' base, Monitor, was built inside a dormant volcano.

http://tvtropes.org/pmwiki/pmwiki.php/Main/VolcanoLair