Illusion: The Serpent is able to cast an illusion around its body to the end of the horizon with Class 5000 rank.
Energy Emission-Heat: Jormungard has been known to emit Unearthly rank flame breath damage.
Fangs/Claws: Unearthly damage from it fangs and clawed forearms.
Venom: Shift-Y rank poison; the venom in his fangs is lethal, even to Asgardian gods.
Invulnerability: The hard skin of the reptile provides Unearthly resistance to all physical and energy attacks.
Phasing: Unearthly ability; Jormungard normally exists in ethereal form when wrapped around the Earth. Hence, though his size was so great that he encircled the planet, he was invisible and intangible as far as human beings were concerned.