Fire

Fire is a type of hazard in Super Mario 64. It appears in several forms. It can pop out of the lava in Lethal Lava Land and Bowser in the Fire Sea, be emitted by a flamethrower and boo painting, and breathed by Bowser in his boss fights, Fly Guys and Piranha Flowers. Fire also appears as decoration in Princess Peach's Castle that do damage to the player.

Circling Fire
Main Article: Circling Fire

The Circling Fire is an unused behavior for a type of fire that circles the player.

Bouncing Fire
The Bouncing Fire is an unused type of fire that jumps in a straight line towards the player and away from Bowser. This presumably would have been used in the Bowser boss fights.

9-Flame
The 9-Flame is the name given to an unused behavior where the fire around the castle clones themselves 9 times inside of each other that would move back and forth. These do not do damage to the player.