Black full helm
From Emps-World Wiki
The Black full helm requires a Defence level of 10 to wear. It can be obtained as a drop from Cave slimes and Cave crawlers. It can also be purchased for 1,248 coins in the Armour shop in Barbarian village and Al-Kharid. It cannot be made by using the Smithing skill. There is no difference in stats between Black, Black (t) or Black (g) armour.