It’s time for the final confrontation between Arthas and Mal’Ganis.
But first you oughta obtain the Frostmourne - a legendary blade that may tip the balance and provide victory.
At the same time, the Undead will attack your base, so focus on commanding your heroes.
The units you get at the beginning will be enough to defend your base effectively.
Purchase and order several technologies.
double-check to replenish the mana supply for both heroes.
It’s a powerful unit that has a few spells and a large amount of health points.
Use Muradin to stun the mighty enemy as often as possible.
Once you’ve defeated him, you’ll watch a short animation and finish the adventure stage.
These are mechanical units that can be repaired by Peasants.
Your workers will fix this machines the same way as the buildings.
Before you invade the Mal’Ganis' base, destroy the Undead base in the east(4).
Once this base is eliminated, most attacks against your headquarters will stop.
However, there still will be some occasional attacks from the enemy’s main base.
There is a mercenary camp(5) nearby, which contains several interesting units.
There is also an additional gold mine near your base, guarded by powerful Golems (6).
Arthas, from now on, will be able to inflict massive damage.
It’s time to destroy the last two bases of Undead forces.
Start with a small outpost north of your base(8).
Polymorph can turn every unit into a small critter except the heroes.
This spell consumes a lot of mana.

It is best to use Polymorph on Abominations and Frost Wyrms (Undead dragons).
The enemy has numerous units and buildings.
Attack the outskirts of Undead base and wait for the garrison of troops to approach you.
Eliminate buildings methodically and slowly.
The more production buildings you destroy, the more advantage you gain.
Once the base is destroyed, the mission will be successful.
This is the end of the Human campaign, but not the end of the Arthas story.
This site is not associated with and/or endorsed by the Activision Blizzard or Blizzard Entertainment.
All logos and images are copyrighted by their respective owners.