Enter a defensive stance and gain Shield that rapidly decays over 3 seconds. When it expires, deal magic damage + 30% of the damage absorbed to enemies around and in front of Irelia.
Rebels gain 12% max Health. After your team loses 30% of their Health, a smoke signal appears, granting Rebels 60% Attack Speed for 4 seconds and extra power for the rest of combat.
Your team gains Armor and Magic Resist. Sentinels gain triple.