Leader of the Therns, an ancient race that manipulates planetary civilizations and feeds off their resources. Arms Sab Than with a powerful weapon and orchestrates the war. Forces Carter to return to Earth as a challenge, but is ultimately outwitted by Carter, who kills him near the tomb and uses his medallion to return to Mars.
Shang is the primary antagonist who manipulates civilizations and directly opposes Carter's goals.
Shang provides Sab Than with advanced weaponry and political backing to rule Barsoom.
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