In the arena, the Z-axis is just as dangerous as the X and Y axes, and flying threats operate under completely different tactical rules.

If you enter a match without sufficient air defense, a single Balloon or Lava Hound will completely dismantle your towers while your ground army watches helplessly.
The Aerial Behemoths: Lava Hound and Balloon
Because the Lava Hound has an absurdly high hitpoint pool, it demands the immediate attention of all your air-targeting defenders.

Simultaneously, you must deploy your secondary anti-air unit (like Bats or Minions) specifically to target and assassinate the Balloon before it reaches the structure.
The Electro Wizard is fantastic against Balloons.When the Hound dies, it bursts into a swarm of flying pups.A ground-only tank killer (like a Mini P.E.K. If you cherished this report and you would like to obtain far more info concerning tower rush kindly visit our web site. K.A) is 100% useless against an air deck. Versatile Anti-Air Options
The Musketeer is the gold standard of versatile defense; she boasts incredible range, high single-target DPS, and survives a standard Fireball.

The Mega Minion, in particular, is the ultimate anti-air assassin, dealing massive melee damage to Balloons while surviving heavy spells easily.
Defense RoleBest ExampleWhy it WorksRanged DPSMusketeer / Dart GoblinCan hit air units from far away while remaining protected behind your Princess tower or ground tanksFlying MeleeMega Minion / PhoenixFlies directly to the enemy air threat and shreds it without being distracted by ground swarms Don't Look Down
A deck with a glaring weakness to aerial attacks is simply not viable for climbing the competitive ladder.

Control the ground, but never forget to watch the skies.