What about the Great Egg

Hint 1 of 4:

Also called the Crystal Planet.

Hint 2 of 4:

This whole planet is a machine to cause solar flares.

Hint 3 of 4:

You will need both the Crystal Orb and Crystal Cone to descend.

Hint 4 of 4:

Find it at 192-152 planet #1 46Nx45E