What does the Kingsoul charm do?

Related questions

1. What is the void hollow Knight?
2. How many hours is hollow Knight?
3. Is there a physical copy of hollow Knight?
4. How many notches can you get in hollow Knight?
5. What do you use rancid eggs for?
6. What is the true ending of hollow Knight?
7. How do I get Voidheart hollow Knight?
8. Is Hollow Knight like Dark Souls?
9. What is the story of hollow Knight?

Tags

1. #other
2. #knight
3. #healing
4. #exploration
5. #recharge
6. #useful
7. #being
8. #still
9. #notch
10. #hiveblood
11. #charm
12. #while
13. #prevents
14. #health
15. #superior
16. #however
17. #kingsoul
18. #challenges
19. #platforming
20. #equipped
21. #fairly
22. #combinations