The Primal Blood allows for the fastest and most aggressive playstyle, with very strong units and powerful combat spells. Their defense is somewhat lacking, but who needs armor if you kill all your enemies before they have a chance to strike.
When the monstrous titan charges, the earth splits open, mountains crumble, and the world trembles at the sound of his footsteps. Enabling the most aggressive playstyle, he will crush your enemies underfoot before they realize what hit them.