On the ground, the Titan Legion was doing everything it could to draw enemy fire.
The immense war machines moved slowly across the battlefield, every step shaking the earth and leaving deep footprints in the ground.
The Volcano Cannons on the Warlord Titans' shoulders kept spewing devastating beams of energy, each shot leaving a vast, molten hole in the fortress's outer walls.
The Warhound Titans maneuvered swiftly along the edges of the battlefield, sweeping the firing positions on the fortress's outer walls with their rapidly rotating weapons.
The Reaver Titans and Warbringer Titans provided fire support from positions around the Warlord Titans, striking the fortress's firing positions with their long-range weapons.
The enemy's attention and firepower had now been drawn toward the Titans, creating a precious window for the ground forces to assault.
Under the cover of the Titans' firepower, countless Kratos Main Battle Tanks, Mastodon troop transports, Rhino armored vehicles, and Spartan Land Raiders bearing the Iron Warriors Legion's markings advanced toward the base of the fortress through dense artillery fire.
The Armoured Vehicles' engines roared and their tracks churned, leaving a dense web of tread marks across ground that shellfire had plowed over countless times.
Their Turrets kept turning, their main guns and coaxial machine guns sweeping for any targets along the way and clearing a path for the infantry following behind.
Smoke and dust blotted out the sunlight overhead, shrouding the entire battlefield in gloom. Only muzzle flashes and the glare of explosions flickered relentlessly, illuminating the darkened battlefield for an instant at a time.
Under Frix's command, five thousand Space Marines formed the vanguard and charged into the enemy fortress under covering artillery fire.
Clad in heavy Power Armour and carrying Bolters, they poured through the breaches torn open by Railguns and Titan firepower.
Their mission