This bug might have eliminated TES from Worlds.
In the final moments of GAM vs TES, Karthus ults TES team.
Nami w/ 96 MR takes 930 Damage.
Lucian w/ 100 MR takes 924 Damage.
But Lucian had Maw. It activated, but didn't block any damage. Otherwise, he would have had 600+ HP.
