Let me Solo Him: Evoker Devastation vs Azta'rec ??

Everything here : https://imgur.com/a/5EGqaZE The buttons that i pressed in middle of my screen are macros, X it's /say RED. T it's /say BLUE etc on my chat ingame ... The green C at the bottom of these 4 buttons it's just /say . Exemple https://imgur.com/a/RNvbp2g   / titiique