The final volume in the RADIANT BLACK series! THE CATALYST WAR CONCLUDES! Both Nathan and Marshall are pushed to their limits by the alien force that originally forged the Radiants—but only one will do the unthinkable to emerge victorious. THE CATALYST WAR ends here—and the future of RADIANT BLACK will never be the same! Collects Radiant Black #28 A and B, #29 A and B, and #30 A and B.