Fire Absorption: Whenever the iron cobra is subjected to fire damage, it takes no damage and instead regains a number of hit points equal to the fire damage dealt. Magic Resistance: The iron cobra has advantage on saving throws against spells and other magic effects.
Bite: Melee Weapon Attack: +5 to hit, reach 5 ft, one target. Hit: 5 1d4+3 piercing damage, and the target must make a DC 11 Constitution saving throw, taking 14 [roll4d6] poison damage on a failed save, or half as much on a successful one.
A metallic serpentine form coils aggressively from the shadowy recess of the niche. Its hollow eye sockets glow pale green, as its hinged jaw swings open in anticipation of the strike.