Mmmmm… I have a Massive Metaphysical Migraine because of this crossword!

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Across
  1. 2. Violent whirlpool or chaotic situation
  2. 8. The state of being average
  3. 10. Object kept as a reminder;
  4. 12. Hired soldier
  5. 13. Obsessive focus on one thing
  6. 14. Time when things often rise
  7. 15. A well-known position known for spreading... *ahem* religion
Down
  1. 1. The God of War
  2. 3. A small world reflecting a larger one
  3. 4. Half of your wife?
  4. 5. World of Warcraft, Runescape, etc
  5. 6. Written public declaration of beliefs
  6. 7. Sailors’ revolt
  7. 9. What a butterfly and Kafka have in common
  8. 11. Incorrect or misleading name
  9. 12. Gruesome, grim, death-related