H. Bathysphere

 (short for Hazard Bathysphere) is a Vehicle element in The Sandbox Evolution.

Summary
Less mobile than the Submarine, but resistant to hazardous materials such as Lava and Acid.

Abilities

 * Submersible - Can submerse in liquids.
 * Hazard immunity - Can withstand hazardous materials such as Acid, Lava and burning Oil.
 * Air - Provides the hero with unlimited air supply whilst inside.

Trivia

 * This can be driven by any of the Heroes, except Brainiac.
 * As of the time of this update (August 2017), it is the only non-Brainiac vehicle in the game that does not have any weapons or attack abilities.