Rachna Koul was an expert in imperiumology, a branch of biology which focuses on superpowered individuals. From her base of operations in Jack Pine, Wyoming, Koul helped superhumans fix any issues they could have with their powers, at a costy price.[1] All of Rachna's work was ultimately devoted towards the search for a cure for her sister Disha,[2] who was in a vegetative state.[3]

One of Rachna's clients was Hercules, who introduced The Thing and the Human Torch to her, since they were looking to solve the diminution of the latter's powers. They approached her while she was treating Hydro-Man. This prompted him to lash out under the wrong impression that his entire business with Koul had been a trap. Rachna stopped him and had him leave. Rachna initially refused to assist the Human Torch out of charity, but she agreed on the condition to join the heroes' journey through the Multiverse on the search for Mister Fantastic and the Invisible Woman using the Multisect.[1]

While pretending she had honed the Multisect to Reed and Sue's specific signature of cosmic radiation,[2] Rachna guided The Thing and the Human Torch through different universes while in reality she was looking for alternate counterparts of Disha who were brain dead, so she could overwrite their brains with the mind of the original Disha. On their first stop, the travellers were joined by Victor von Doom.[4] After visiting several universes looking for a compatible version of Disha, Rachna saw herself forced to reveal her true motives and that she was misleading the heroes. Rachna managed to escape with the Multisect, but was followed by Doom.[3]


Artificial Hand: Koul's right hand was replaced with a zeoparticle-enhanced prosthetic capable of shapeshifting.[5]

  • The range of cost of Koul fixing a client was usually between $250,000 and $750,000.[1]

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