FTP, name this ruler of Pontus known for his three namesake wars against the Romans.
As a child, this ruler was forced to go into hiding and live in the wilderness for seven years after his father's assassination. When he returned to regain his kingdom, he imprisoned usurping family members. His name is used as a title of various works of comparative linguistics due to his aptitude at learning all the languages spoken in his kingdom. This man names a method of poison immunization by gradual administration of small doses. He drew the Romans into war by executing 80,000 Roman citizens in his lands in the Asiatic Vespers. Though he was not present, his forces were defeated at the battle of Chaeronea by Sulla, which checked his expansion plans to the west. He was later defeated by Pompey the Great and killed himself rather than be captured. FTP, name this ruler of Pontus known for his three namesake wars against the Romans.
As a child, this ruler was forced to go into hiding and live in the wilderness for seven years after his father's assassination.
Mithridates VI of Pontus [or Mithridates the Great or Eupator Dionysius]