relentless mountaineering

12345678910111213
Across
  1. 2. to embark on a journey
  2. 4. rarely
  3. 5. a journey undertaken
  4. 8. set up firmly over time
  5. 10. successfully achieved
  6. 11. is bound to happen
  7. 12. a legend
  8. 13. outdoor activity, climbing mountains
Down
  1. 1. never been ascended
  2. 3. complex situation
  3. 6. intense and never ending
  4. 7. sadness or displeasure
  5. 9. overcome, take control