Elemental tank unit. It's Energy Shield ability reduces damage from hard hitters but still leaves the tower vulnerable to weak attacks from earliest of creeps. It's true strength lies in when stacked with many messiahs the seer of darkness becomes a meatshield that can soak up way more damage making the tower almost indestructable.
Tier 6 Tower/Fighter
345 minerals / 2 supply total
Armor Type: Armoured
Damage Type: Magic
Energy Shields - Spends 10 energy to reduce damage taken by 70%