A command that gives you the most hardest difficulty in minecraft that includes:skeletons with all enchantments on there bows with a full set of diamond armour, all mobs get a health boost of 20+, witches can heal all mobs, if a spider sees you it shoots cobwebs and gets a speed boots plus it turns into a cave spider when it sees you, endermen call upon 5-16 endermites if your within 7 blocks near it, zombies can pick up anything and when your within 6 blocks near the zombie it can give you the blindness effect, when it turns to night lightning gives you the poison effect, all mobs deal 28 hearts of damage and all nether creatures leave a fire trail and no mobs can be knocked back.