Inertron
From superman.nu: Supermanica
Inertron
Inertron is a pink-colored metal discovered in the 30th Century. It is the densest substance in the known universe and to the contemporary Legion of Super-Heroes.
Inertron
Inertron is a pink-colored metal discovered in the 30th Century. It is the densest substance in the known universe and to the contemporary Legion of Super-Heroes.