Act 7.1.2 parry not working

Can someone please tell me why is parry not working ? And the opponent is moving fast as well . Now as Kabam Gods has asked to give us proof here is a link to it
https://youtube.com/shorts/pLl2turA2_8?si=evT4yMMeb19twLCL

Comments

Red skull was buffed
He gets - %10 stun ability per armour up buff on him