The setting is fixed a few years after a century-long global conflict, leaving a world scarred by tension and the mysterious "Mourning" that destroyed an entire nation. Iconic Player Options
The guide provides the definitive 5e rules for the races and features that define the setting: Wayfinder's Guide to Eberron
Humans bonded to alien spirits, providing psionic resistance. The setting is fixed a few years after
The guide emphasizes that Eberron is a world where magic is "wide, but not deep". but not deep".