The intelligent one, utilizing the mind
The third vision, displayed by the third eye of part of the brain called the Pineal Gland.
Some believe the pineal gland can grant a third vision that can be trained to develop clairvoyance in ones self amongst other supernatural abilities.
This is also in conjunction with the previous line, Monch is suggesting a correlation with gifted rhymers and having a beyond normal abilities in comparison to less skilled poets and rap artists.
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