It has a fearsome HP count, and W2 adds the ability of stealing two Crystals instead of one. Deploy and upgrade Soldiers if one does not have many of them, or they will not able to destroy all of these.
In W1, it is the final wave before the Esper bosses, so prepare on this wave.
[view·edit·purge]"Malboro" may derive from the Japanese onomatopoeia boro, the sound of an upset stomach. The word mal, means something bad or illness. The name could also be a reference to Marlboro Cigarettes, since the creatures often spew horrid fumes.