Sometimes called the Second Heroic Age, this period–running from the Peace of Nations to the Age of Steam (2401-2527 AUC)–sees the invention, confirmation and utilization of scientific methods applied to magic. Here is when the theory of the aether was born and when (at the very end of the period) phlogiston was isolated as the key element of magic.

• Theory of Aether
• Discovery of Phlogiston
• Ancients versus Moderns
• New Worlds
• Age of Reform