Fire Eye Gu

Fang Yuan reads a Gu Master’s notes while storing recipes in east window Gu. Fire pupil Gu, at rank four, is advanced using rank three fire eye Gu together with sight blow Gu and associated refinement materials. ^{ch. 548}

Effect

Fang Yuan already knows rank three fire eye Gu. It is a one-time expenditure Gu used for investigative purposes. It can transform the eyes into fire eyes with the ability to see through fog, but it does not work every time; once it fails, one would turn blind. ^{ch. 548}