Reducing Lethality - Aegis used to give Armor Aura

If anyone remember we used to have items that gives armor aura generally used by support

unique - Aegis: gives 2 / champ level armor to you and nearby allies

For instance if someone got 70 lethality which is 70 armor pen lategame 70 armor pen - 36 armor aura = 34 armor pen on assassin when there is nearby Aegis user