If you could have one power, what would it be? Do explain why plz

It can be any power. If you haven't got one in mind at the moment, here's a few:

1. Shape-shifting (animals)
2. Shape-shifting (humans)
3. Fire powers
4. Ice powers
5. Water powers
6. Wind/air powers
7. Earth powers
8. Telepathy
9. Flight
10. Invisibility
11. Teleportation
12. Superhuman strength
13. X-ray vision
14. Immortality
15. Superhuman speed
16. Duplication
17. Telekinesis
18. Poison control
19. Sonic scream
20. Talking to animals

Yeahh I can't think of anymore, but I'd have either shape-shifting (animals) or telekinesis