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Morbus is a city in the Toonolian Marshes that used to be inhabited, but was revived by Ras Thavas for the Hormads.



Synthetic Men of Mars[]

Morbus was ruled by seven jeds, until the third jed usurped them and crowned himself Jeddak. However, one of the vats in Ras Thavas' labs began to grow an unusual mass of flesh and it absorbed much of the island, either killing the Hormads or driving them into the marsh. John Carter and a fleet from Helium would destroy the mass of flesh, and much of the island as well.