The Grid - Greek Mythology

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Across
  1. 3. Lion, goat, serpent and the virus from Mission Impossible 2 (7)
  2. 4. Father of all fathers and time (6)
  3. 6. Ship of _______ (7)
  4. 7. The warrior who shot the arrow to the Achilles heel (5)
Down
  1. 1. The world beneath the Underworld (8)
  2. 2. Owner of the fowl manor (7)
  3. 5. Sticks aka Mythical rivers of the Underworld (4)