Illaoi Vessel Vs. Sett
Before Sett Learns his "W"(forget name) skill, Illaoi's "E" skill (vessel) does not work. Sett has complete immunity. After Sett learns W it works properly.
Before Sett Learns his "W"(forget name) skill, Illaoi's "E" skill (vessel) does not work. Sett has complete immunity. After Sett learns W it works properly.
I came here to post this but saw you have already done so. I noticed the same thing!