Doctor Merlot was the founder of Merlot Industries, a research and development corporation based out of the ill-fated settlement at Mountain Glenn. At some point, Merlot gained an unhealthy obsession towards the Creatures of Grimm, believing them to be a "superior species" and that due to their "unbridled raw aggression and lack of sentience" they would make "the perfect vessel". Said fascination led to him falling out of favor with Professor Ozpin.
Merlot was personally familiar with Ozpin, whom he called "Oz". However, they were on bad terms, with Ozpin believing that the world would have been better off had Merlot died in the disaster that he had caused. According to Ozpin, the other professors at Beacon Academy had a similarly low opinion of Merlot.
Undaunted, the corporation began performing experiments on Grimm, research which Merlot believed was vital to the future of Remnant. However, when they began running out of specimens to experiment on, they started attracting Grimm to the city in order to acquire more, with disastrous results. After the fall of Mountain Glenn, Doctor Merlot was presumed dead.
However, Merlot, in fact, survived the destruction of Mountain Glenn, though he would later admit to Ozpin that its loss continued to upset him. He transferred his operation to a highly remote island at an unknown location, and continued his experiments at his new secret laboratory, creating new forms of mutant Grimm using his serum, a toxic glowing green substance.
Years later, Team RWBY would lead an investigation of mutated Grimm traced back to Merlot Industries, eventually arriving on Merlot's island. His operations uncovered, Merlot reveals himself to the team as well as to Professor Ozpin, conversing with them remotely and taunting them. However, after Team RWBY infiltrates his laboratory and destroys his mutant Death Stalker, he self-destructs the laboratory.
After the destruction of his laboratory, his whereabouts and status are unknown.
If the player has successfully picked up at least 30 artifacts, Merlot's laugh can be heard after the ending credits indicating that he is still alive and is still at large.
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