Kingdom of Earth | Mission 4: A Dream Which Was Something More - main quests Heroes VI - Shades of Darkness Guide
Last update: 11 May 2016
Objective: free the Earth Elementals; take over and keep the Fort, defeat the Abyssal Worm
Prize: 10000 XP, +3 might power
Speak with the Mother once again (M1, 15). This time you will have your main forces at your disposal. You need to free 3 groups of Earth Elementals (M1, 16) by killing the demon forces surrounding them. The next objective will be obtaining and keeping the local Fort (M1, 17). Save your game! After obtaining the Fort, one of the longest fights in the mission will begin: you will have to hold out for 15 turns with the enemy constantly creating new units. If you've been saving you legendary creatures and still have some Air and Water Elementals with you, the mission should be very easy. Just keep on eliminating the consecutive waves of enemy creatures without giving them a chance to retaliate. To speed up the fight, I'd recommend leaving a couple groups of legendary creatures (e.g. Kirins and Celestials) outside the Fortress walls - that way they will destroy the demons before they can make a move.
After surviving for 15 turns, you will receive to the world map and receive a new mission - defeat the Abyssal Worm (M1, 18). It's probably the strongest of the demigod creatures. It can eat your creatures and temporarily eliminate them from the battle. Just like with other bosses, strengthen your units with spells and keep attacking the enemy until it dies. In return you will receive another artefact and the last Earth Elemental Essence which you have to take to the elemental gate (M1, 19), therefore completing "Running Stream". At the same time you will also finish the "Master of the Elements" main mission.