You Do Need power plug adapter while traveling from Sint Eustatius to North Korea.

Here is Why You Need An Adapter

The outlet and plug type used in North Korea is C and in Sint Eustatius are A, B, C and F. This is how they look like.

Sint Eustatius

In Sint Eustatius, outlets of type A, B, C and F are in use.

Type A

Type B

Type C

Type F

North Korea

In North Korea, outlets of type C are in use.

Type C