A small octogonal [[box]] with magical symbols ([i][[bagua]][/i]) engraved on it, carried by [[Kirisame Marisa]] of [[Touhou]] fame. It's primarily used to unleash her infamous [[Master Spark]] spell card attack, and was crafted by [[Morichika Rinnosuke]].

The original 八卦炉 (Japanese pronunciation:[i]hakkero[/i]) appeared in [[Journey to the West]] for the first time.
ミニ八卦炉