Lava Cavern is the worst place to be on Mobius.

Geographical Information

The land here is very high and is filled with lava. This is known to be the birthplace of Iblis,the flames of disaster. Sliver has been there always to fight Iblis. There are other names for this place like:Flame's Center,Core of Disaster,Fire Caves,and Crisis Crack.


  • Flame Minions
  • Iblis
  • Burner The Hedgehog
  • Blaze The Cat
  • Glen The Cow
  • Nigel The Bat
  • Shadow The Hedgehog (formerly)
  • Rouge The Bat (formerly)
  • E-101 G
  • Eggman Nega
  • Ember the Flarehog

Fire Islands

  • Crisis Hazard-This 1st Island is home to the Sol Emeralds and Blaze The Cat.
  • Minion Plant-A private island home to Eggman Nega and Flame Minions.
  • Flame Beach-The 3rd Island is home to Iblis and Burner The Hedgehog.
  • Frost Cove-This is the only cold island and is home to E-101 G and Glen The Cow
  • Dark Subway-Formerly home to Shadow,Rouge,and home to their newest resident:Nigel The Bat


The Mini-Boss is Egg Lancer and the Main Boss is Iblis and Flame Minions.

Sol Emeralds (Special Stage)

In this zone,you have to get 32 rings to get to the Special Stage. Crisis Hazard has 2 stages. Minion Plant has the rest of the stages.


The theme for Lava Cavern Act 1:"His World" by Crush 40

Theme for Act 2:"Solaris Phase 2" from Sonic 06

Mini-Boss Theme:Egg Lancer theme from Sonic Unleashed

Boss Theme:Crisis City Theme from Sonic 06


  • There are few plants on Dark Subway due to all their darkness
  • Iblis is stronger with the Sol Emeralds
  • Burner's real name is "Flamer"
  • Shadow lived here until he started work in Central City
  • Rouge has hidden 23 treasures she found here,but Sliver and Sonic have found 12 so far
  • There is a Gaia Temple located on Crisis Hazard
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