Reignite by J.M. Darhower

“It’s the combination of them together, son. Lucifer is sulfuric acid, sometimes dangerous but still valuable. Serah, on the other hand, is water, peaceful and pure. Mixed together, those two are fine, as long as you introduce the acid slowly. The other way around, you’re headed for destruction. Dump water straight into the acid and something may very well explode.”