Antonyms for the phrase "am ruled by" could include "am independent," "am in control" or "am autonomous." These terms all suggest a state of self-determination and freedom, rather than being submissive to outside influences or forces. Other possible antonyms might include "am the ruler of," "am the boss of," or "am the master of," which all imply a position of power and authority, rather than being subject to the will of others. Ultimately, the choice of antonym will depend on the context and intended meaning of the original phrase.