Undertale

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Across
  1. 2. - The king of the underworld
  2. 4. - Very awkward scientist
  3. 6. - Fluffy prince
  4. 8. - A woman obsessed with potassium
  5. 12. - Mysteries and wet caverns
  6. 14. - Murderous flower
  7. 15. - Dark yet darker
  8. 17. - Cold, snowy town
  9. 19. - A fierce female warrior-fish
  10. 20. - Human that fell down
Down
  1. 1. - Mysteries and weird jester
  2. 3. - Purple and fiery
  3. 4. - A prince that passed away
  4. 5. - A celebrity robot
  5. 7. - One glitchy character
  6. 9. - Greetings, I am-
  7. 10. - A tall skeleton
  8. 11. - Mysteries human that travels the dark world
  9. 13. - A loving mother
  10. 16. - A short and chubby skeleton
  11. 18. - Sad and lonely ghost