Only for energy damage https://www.reddit.com/r/ContestOfChampions/comments/pq3h1d/mordos_energy_resist_breakdown_sig_100/?utm_source=share&utm_medium=ios_app&utm_name=iossmf@Saiyan wrote this really interesting post on how the highest energy resistance in the game (Mordo while blocking) reduces damage. For comparison, guardian at max sig is 8791, Mordo at max sig is 19856. It’s crazy