If you ask any professional player what the single most important skill in an arena battler is, they will all give you the exact same answer.

Playing the game without knowing how much elixir your opponent has is like playing poker without looking at the cards on the table.
The Elixir Advantage
However, if you launch that exact same 8-elixir push when you know the opponent has only 2 elixir, it is mathematically impossible for them to stop it.

You create an advantage by making positive defensive trades (e.g., using a 3-elixir Arrows to kill a 5-elixir Minion Horde).
Never overcommit on a push if you don't know their elixir count.If you are up by 4, launch your win condition immediately.If you are DOWN in elixir, play hyper-defensively. Practicing the Count
Start by simply categorizing the opponent into three states: 'High Elixir' (7-10), 'Medium Elixir' (4-6), and 'Low Elixir' (0-3).

When they drop a heavy card, like a P.E.K.K. If you beloved this article and you would like to acquire more information regarding tower rush kindly pay a visit to the webpage. A (7 elixir), tell yourself "They are now Low Elixir."
Elixir StateWhat You Must DoYou have a massive Elixir Advantage (+4)Immediate, overwhelming aggression; punish their lack of resources before they can regenerateYou have a massive Elixir Deficit (-4)Immediate, flawless defense; sacrifice tower health if necessary to regain economic parity; do NOT attack Mastering the Economy
The elixir bar is the true, invisible scoreboard that dictates who is actually in control of the match.

Knowledge is power.