Y.E.T.I.

Y.E.T.I., or IcY Enormous ArcTic ZeppelIn is the Bloon that appears in Bloons Tower Defense 7: Global Warfare. It only appears in Chapter 7: Frostbite Zone and Chapter 12: Endgame.

Overview
The blimp punches a single tower every 4 seconds that creates icy traps that creates an ice block for 45 seconds. Ice Blocks forms are: 1st for 15 seconds, 2nd for another 15 seconds, and 3rd for final 15 seconds. Also, the attacks used to create icicles that moves by 5%, up to 45% in a single direction doing 4 damage. Ice blocks makes the towee unable to attack, and is immune to sharp objects doing 40 health, and after breaking the shield, it splits into 6 ice shards that does 5 damage.

Frost shield

 * Ice Monkey is immune to this.
 * 0/3/0, 0/4/0, 0/5/0 Wizard Monkey and 3/0/0, 4/0/0, 5/0/0 Tack Shooter is immune to this, but can thaw frost shield within radius.
 * Explosives, energy and fire attacks does double damage to itself.