Troop placement is critical. Kiting involves placing a troop to pull an enemy unit across the arena, distracting it and allowing your towers to deal damage. Placing troops behind your King Tower allows them to build up Elixir and form a larger push. Placing buildings centrally pulls enemy tanks. Placing splash damage troops behind tanks protects them. Learn 'split lane' pushes to pressure both lanes simultaneously. Small adjustments in placement can drastically change battle outcomes.
