Mithridates VI, also known as Mithridates the Great, was the king of Pontus from 120 to 63 BCE. He is best known for his resistance against the expanding power of Rome and his efforts to unite various regions against Roman domination. Mithridates was a skilled military leader and strategist, known for his ability to rally support from different cultures and peoples. He is also famous for his experiments with poisons, believing that by gradually exposing himself to toxins, he could build immunity. This practice led to the legend that he could withstand any poison, earning him a reputation as a master of pharmacology and a figure of intrigue in ancient history.