The nights in Minecraft are very dangerous if you do not have protection or some weapon to defend you of the monsters. And to protect you, you need an armor made of any material. - Leather Armor: this armor has an extra level of protection of 3 1/2. Leather is obtained from cows. - Iron armor: this one gives you 7 1/2 level of protection. Iron is obtained by mining and melting it in an oven to obtain iron ingots. - Golden armor: it has a protection level of 5 1/2. Gold is obtained by mining, then the gold blocks are melted in a furnace to obtain gold ingots. - Diamond Armor: This is the most durable and resistant armor, it gives you a level of protection of 10.