Sigmar's Tempest can be seen filling the skies of the Mortal Realms at the start of the Age of Sigmar. The fury of the storm generates celestial gales that energise the Seraphon, intensifying their great war against the servants of the Dark Gods. The breaking of this storm rouse the old gods, Alarielle, Nagash and Gorkamorka to action, gathering their armies to settle ancient scores with Archaon and the Dark Gods.
- 1: Battletome: Seraphon (2015), pg. 15-18
- 2: Battletome: Everchosen (2015), pg. 29-32
- 3: Soulbound Core Rulebook