Healing and shielding support units are specifically designed to break the fundamental mathematical rules of the game's combat system.

This is exactly what the opponent wants; while you struggle to kill the Giant, the Healer is constantly undoing all your hard work.
Assassinating the Backline
The cardinal rule when facing a healing or shielding composition is to completely ignore the primary tank until the support is dead.

Deploy your assassin directly behind the enemy push, ensuring it locks onto the healer before the tank can turn around to protect it.
Never let a Battle Healer continuously strike a target.If you drop it too early, their tower will kill your assassin.Use spells to break shields before applying massive damage. Dealing with Clone and Rage Synergy
A cloned healer essentially doubles the healing output, turning the surrounding army into a literal immortal wall of hitpoints.

Hover your spell the moment you suspect a Clone play, and drop it the millisecond the blue cloning animation begins on their side of the map.
Support Unit TypeMechanicThe SolutionFrontline SupportHeals herself and surrounding units every time she successfully lands a melee attackUse flying units she cannot hit, or drop a high-DPS unit directly on her head to kill her before she swingsThe Shield Buff (e.g. Should you have almost any questions about wherever as well as how to use tower rush, it is possible to contact us on our website. , Heal Spirit)Jumps onto a group of units, providing a massive, instant burst of healingPlace a cheap distraction unit (like skeletons) in its path to force it to trigger early, wasting the heal entirely Patience and Precision
Take a deep breath, identify the primary healer, and execute your assassination plan flawlessly.

Master the backline dive, and dominate the arena.