There are so many weird storms and meaningful cloud formations above the Bay of Catazar, that much-contested stretch of water that shelters the main Imperial coastline, that one more shimmering, anomalous patch of sky does not attract immediate attention.
In the waters below, trade fleets sail towards and returning from the dangerous oceans, fishing vessels cling to familiar shores, and two great Grendel war fleets - all just wood and cloth ships without even cannon, at best a few ballistas - are at anchor on each side of the inner Bay coast.
Stranger things occasionally breach the waves, vast sharks with too many teeth, playful dolphins that become strangely intent when a brightly painted ship is in peril.
And while the sailors are all vaguely humanoid, there is clearly one very distinct heavy-set greyish-skinned species that are not human, especially prevalent in the war fleets, and a huge range of variation in the more human-like individuals, from antlers and horns to bright scales and feathers to pallid, almost rotting flesh, growths of bark and flower, strange swirls of colour and metallic patterns...