The Last Olympian

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Across
  1. 3. Poseidon's son
  2. 6. God of the sea
  3. 7. Evil giants, children of Gaia
  4. 8. Half God half mortal
Down
  1. 1. Half man half goat
  2. 2. Evil Titan lord
  3. 4. God of the underworld
  4. 5. Percy's sword