Fire Sticks are a type of vegetation in Ninjago. Found in very hot areas - such as the Fire Temple - they appear as regular sticks perpetually engulfed in flames. They apparently contain the power of Fire, which is released when they are thrown with minimal force. Unfortunately, their uses are restricted by the fact that Fire Sticks release their flames as a powerful explosion, roasting everything in range.
Warning! Pack fireproof gloves, because it's an oven in here!
Having trouble making a fire?
Just grab a Fire Stick and throw it on what you want to cook. Then POOF, it - and everything else around it - is roasted.