race features:
Blazing Fists: Your unarmed strikes deal 1d8 fire damage.
Stone Skin: Your natural ac is 11.
Glowing body: You have disadvantage on stealth checks and party members within 5ft of you have resistance to cold damage and weakness to fire damage.
Zamnik are humanoid apart from there stone skin with glowing red cracks, rock hair, red, yellow or orange glowing eyes and mouth. Some zamnik even have blue or purple instead of red cracks, eyes and mouth.