The Kings armour would be:
Gold Helmet - Protection II Unbreaking 20
Gold Chestplate - Protection III Unbreaking 20
Gold Leggings - Protection III Unbreaking 20
Gold Boots - Protection II Unbreaking 20
Weapon:
Diamond Sword - No enchantments
Potion Effects:
Strength I
Special Ability:
When the sword is right clicked it spawns an Iron Golem that lasts for 15 seconds, the cooldown would be 45 seconds.
(Also the icon in the /kit menu would be a gold helmet)
Overview:
Gain the ability to call on an Iron Golem every 45 seconds that lasts for 15 second.
If added into the game feel free to edit any stuff about the kit (such as the Armor and Weapon enchants) as long as the main idea around the kit stays the same