[GAMEPLAY] Ekko / Devourer bug

Unfortunately I don't have the time to investigate it myself, but I do know the basics of how it occurred. While I was playing a Co-op vs AI Beginner match to test Sated Devourer on Ekko, I decided to push the middle lane's final turret while my allies spawn camped the AIs. At the time, I had Red Buff, and attacked the Turret like normal. However, when I used E to attack it, I noticed I got slowed and the effects for Red activated on me. I also noticed I had 1/3 passive stacks on myself. When I noticed this, I tried again, just to see if it was a one time thing, and it happened again. I didn't take auto attack damage, or the E damage, so I figured it was because I only took on-hit effects. I don't know if it activates on every E or just the ones that would be Devourer procs, unfortunately.

TL;DR: with using E on turrets makes him take his own on-hit effects.