Lightning Armor

Lightning Armor is an Aeion ability in Metroid: Samus Returns. How and when it is acquired is currently unknown. It is seen to imbue Samus's Power Suit with an electric green aura, which protects her from attacks and external damage. Any attacks sustained by the shield will deplete the Aeion gauge and not Samus's energy, whilst also charging her Melee Counter. At one point during the developer's diary, she is seen running through a set of tunnels filled with possibly poisonous or damaging purple creatures or plants, unaffected while the Lightning Armor is enabled.