It is necessary to quickly apply skills and items and hold the cursor on the enemy you want to apply the procast to. It is also necessary to put items and skills on the necessary binds so that everything would work: C - Veil of Discord V - Etherial Blade R - Life Break This will deal approximately 80% of the damage from the current health if you have the right talent at level 25, BUT if you have a neutral item of the 4th tier «Timeless Relic», then the enemy will be dealt 102% of his current health. (DOES NOT WORK AGAINST ANTI-MAGE)
Download the program (Download) and go to the macro editor
press the button «Open file»
and select the downloaded file
assign a macro to a key and run the program