64FL

84FL is the 84th floor of Tower of Frozen Waves.

Stages
This floor consists of plenty of obstacles that would be needed to destroyed in first missions, and there are alphabet jellies that scattered around.

Destroy at least 250 obstacles
Reward : Elixir of Experience (L) This mission is pretty straightforward, just destroy obstacles. Because there are many of Giant Jelly, Blast Jelly, and Coin Jelly, you may clear this mission pretty easy. But Sacred Protection Ring of Fire will help you to destroy more obstacles.

Collect at least 100 Yellow Bear Jellies
Reward :  1 It is not recommended to bring treasures such as Mystery Meteor Chip since there aren't any All-Bear Party Jelly, but there are enough Yellow Bear Jellies to collect. So make sure to collect all of them

Collect at least 42 Gold Coins
Reward :  200

If you have one of those treasures, you may clear this mission easily, but if you don't have those treasure, here's the trick:

Actually there are enough letters to enter Bonus Time that are scattered here and there. Make sure to collect those jellies to enter Bonus Time. Note that in regular Bonus time there are only Colorful Star Jelly Party, Blast Jelly, and Giant Jelly, but in Rainbow Rush Bonus Time, there are plenty of gold coins (bring treasures that extend the time in Bonus Time). Try to collide several times before collecting the last letter (Letter "M") to make sure the energy bar has almost been depleted to enter Rainbow Rush Bonus Time. Revive treasures also recommended to do this trick.