Prison Break to Apocalypse: My Ex Regrets Dumping the World-Hopper

The day I walk out of prison, my childhood sweetheart dumps me—the same woman who helped murder my only family and now flaunts her biotech empire. She thinks money makes her untouchable? I return from a dying world with technology that makes her billions worthless: a cancer cure that crashes her stocks, surgical pods that shutter her hospitals, cloning tech that renders her empire obsolete. Now she's begging, crying, apologizing. Too late. I've stripped away everything she built, leaving her and every enemy who wronged me with fates worse than death. My once-proud ex? She's completely at my me…