My sense pick up traces of Kethanol, a highly flammable gas released from deep well mining.”

The Ninja at the Kethanol Geyser in "The Crooked Path."

Kethanol is a fictional gas produced by mining in the Caves of Despair in Ninjago. It is extremely flammable and explosive.


The Crooked Path

Zane identified a smelly gas known as kethanol escaping from the basement of the Caves of Despair. Cole plugged the hole from which the gas escaped, which amplified the destruction tenfold, causing the explosion and destruction of caves, in a ten mile radius.


  • The name of the gas is based on ethanol, a carbohydrate gas in alcoholic beverages.
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