Monster Manual, page 22
Heated Body. A creature that touches the azer or hits it with a melee attack while within 5 feet of it takes 5 (1d10) fire damage. Heated Weapons. When the azer hits with a metal melee weapon, it deals an extra 3 (1d6) fire damage (included in the attack). Illumination. The azer sheds bright light in a 10-foot radius and dim light for an additional 10 feet.
Warhammer. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) bludgeoning damage, or 8 (1d10 + 3) bludgeoning damage if used with two hands to make a melee attack, plus 3 (1d6) fire damage.