C432 Heaven and Earth Furnace Burn Everything!(2)

Burning for fifteen minutes did indeed require a lot of Qi. Moreover, these were all rare gases, not existing in the air or commonplace.

Jia Jiucheng said, "If you are my friend, I can lend you some Qi to burn. I have a system. This little bit of coal gas doesn't cost much. It is especially cheap in the future. Hmm, it's only a few dozen yuan per can