How do I unlock the Merc in risk of rain 2?

Related questions

1. Do you get a free copy of risk of rain 2?
2. What does risk of rain mean?
3. Does risk of rain have online multiplayer?
4. Is risk of rain on Xbox?
5. Will risk of rain 2 be on Mac?
6. Does risk of rain 2 have local coop?
7. How do you unlock the Huntress in risk of rain 2?
8. Can you play risk of rain 2 solo?
9. How do you unlock mercenary in risk of rain 2?
10. Can you beat risk of rain 2?

Tags

1. #celestial
2. #unlock
3. #mercenary
4. #obelisk
5. #sacrifice
6. #themselves
7. #portal
8. #players
9. #about
10. #there
11. #reaching
12. #through
13. #appear
14. #disagreement