|Six-Eyed Helm of the Channelers|
Found in a chest near the end of The Duke's Archives.
Cannot be reinforced.
The saying "lack of sight" derives from the Japanese characters 見る "to see" in nai (negative) form: 見えない "not to see"; thus, Seath isn't just with poor vision - he is completely blind. This is supported by how Seath is never shown to have eyes in his model nor in any cinematics.