[Gameplay] brand ult bouncing more times than intended

situatiation: Brand casting pyroclasm on leblanc, janna (allied to LB) ulting brand out of range and healing LB. leblancs passive gets procced, pyroclasm proceeds to bounce as following: 2xleblanc, 2xleblanc clone, 3x Janna, 2x ezreal. Total amount of bounces 9! this was not recorded, it occured around 14:00 CET in 5v5 DuoQueue ranked game, linked above. this bug was noticed by the Janna, Leblanc, ezreal and the brand himself.