Where is your second clue ?

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Across
  1. 2. "Exilé sur le sol au milieu des huées, Ses ailes de géant l’empêchent de marcher."
  2. 3. "Am I not ___ ?" - Commodus
  3. 4. Soft-bodied, eight-limbed mollusc
  4. 6. I wrote 'le bateau ivre'
  5. 8. House of pureblood Valyrian descent
Down
  1. 1. Young ninja who seeks recognition from his peers and dreams of becoming the Hokage
  2. 3. First planet from the Sun
  3. 4. I'm not an idea
  4. 5. One of the oldest lines of Westerosi nobility
  5. 7. Funny in a rich man's world