Help the purple alien get his memory back!

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Across
  1. 3. Dražen Petrović birth place
  2. 4. Full name of the main character in Crime and Punishment
  3. 5. Poirot's companion
  4. 7. Genshin therapist
  5. 8. Name of the founder of Ravenclaw
  6. 10. The smallest bone in the body
  7. 11. The first song in Epic the musical Thunder saga
Down
  1. 1. The principle of Starfleet's "Prime Directive"
  2. 2. The captain in the first pilot episode of the original Star Treck
  3. 5. What is linked by a peptide bond?(In croatian)
  4. 6. The infinity stone of what is in Vison's forehead
  5. 9. An object in which a person has concealed a part of his soul