One of the first premium zones in Miscrits - Cave of Mists holds three unique miscrits sapphron, sledgehog and microblast along with some dark miscrits like dark snortus, dark kiloray and other darks which was recently added after a long time after release.
Cave of Mists is pretty interesting place to explore. You need to pay a one time payment of 9.5$ just like all other premium zones released in the game. Its an awesome place to explore.
You will surely love the experience the world inside its mind blowing.
SEE ALSO: The Shack lower basement : The pirates hideout.