Mask of the quiet one with aggressor (grenades and shield throws regen quickly with kills). Doom fangs or helm of saint with protector. Insurmountable skullfort with earthshaker and juggernaut. Feedback fence with juggernaut. Mk 44 standasides with fire forged. Either lion rampart, dunemarchers or hallowfire with siegebreaker. Thats how i run titan for pve