Every Age begins and ends with the fall of a meteor of unknown origin.

The three

MeteorWhenWhereWhat it did
First Meteorc. 6,000 years before year zero (First Age)World’s BreachThe round crater; its shards enable Portals
Second Meteoryear zero (Second Age)First FortressBlew it open on the migrating Dwarves; year zero
Third Meteorc. year 650 (end of the Third Age)the mountains by Heart of the PlainsQuake and mudslides; the Ballista Tower cracked; Sky Spear porous

All three were Svarog’s. The last fell where chaos chose.

Traces

Now

The third just fell. The second meteor’s site has never been investigated.

Open: [?] what the meteors are.