Doomed by the Shadow…
The Swollen Shadow’s magic is such, that anyone transported to its demi-plane, will always first arrive in the somber and hazy Umbral Fens, which surround the City of Shadow. After some searching one may find the Brittle Road, which leads through the shadow-choked swamps, to the City proper.
A Renaissance dawns. A School of Art emerges.
Pcs learn of high power magics that allow them to banish weapons and suits of armor to some 'elsewhere' place until such time as they need it. reduces encumberances, gets fewer questions, and when the PCs get jumped by thieves in the ally, they can summon their suits of full plate armor with weapons drawn.
Lesser powers would allow them to summon their weapons from another physical place, drawing them to their hands like Luke skywalker summoning his lightsaber on Hoth.