fire / urgent / ammunition / fiery or flaming / internal heat (Chinese medicine) / hot (popular) / classifier for military units (old) / Kangxi radical 86
火
=
人
+
丶
:
Helga Horse (hu) and Neanderthal Man (人) are starting a fire (火) in the observatory's living room (o3) with two large petals (丶).
lit. the stove fire has turned bright green (allusion to Daoist alchemy) (idiom) / fig. (of an art, a technique etc) brought to the point of perfection