Download free macro «Invoker Deafening Blast» for «Dota 2», installation on a regular mouse и keyboard occurs is elementary.
To use the macro, simply assign it to any mouse button or keyboard in BotMek, and then click it!
Script for the Deafening Blast cast (Q + W + E + R)
You link it to a button that is convenient for you, for example, to the number 0-9
It remains only to use