When i play in Theater of the Mind, i arbitrarily determine what can be seen based on distance and conditions. When i Grid Play, i use Line of Sight rules to determine vision between spaces on the map so it's rarely a problem one way or another.
How i handle the presence or absence of light and vision depends on the nature of it. I determine if an area is filled with normal or magical Bright Light, Dim Light or Darkness and wether a normal or Special Sense is impacted by the Obscured Area it create, if any.
For example, an Heavily...
In general, nothing can teleport in an occupied space, and even if Cloud of Dagger could, it wouldn't do anything at this very moment as it doesn't constitute the creature entering the Cube but the opposite. For an example of a spell's area moving into creature's space see Moonbeam.
While Cloud of Dagger spell has nothing to do with the Teleport Spell, teleportations in and of itself has certain general rules to it as posted below. The Cube doesn't say you must see the teleportation’s destination so you don't. But if the Cube's destination space is blocked by a solid...
I like Halflings, I'm making one for LEGENDS OF GREYHAWK, which will be a newly retired Sheriff of Elmshire, a sleepy town with a sizable halfling population on the shore of the Nyr Dyv not to far from Greyhawk.
I highly doubt the next DARKSUN sourcebook will be full of warnings though i expect to be some at least. I'd bet less than 1% of the word count will be on warning.
Would it better pass if WoTC put in the next DARK SUN sourcebook something along the lines of an optional rule with warning while most of the material otherwise don't evoke slavery at all?
The shipment could have a variety of unique Realmstuff like;
Mirabar's black iron tradebars
Calishite Kaeth beans
Zakharan's silk
Maztican's quace-infused tabacco
Barium power
Telstang metal shards
Large tantulhor statue of demonic figure
Chained up Thayan coffin
Chultian Bytter nut
Sembian...
I like your road journey. Many stops in various size settlement would offer many chances to alter the caravan, with goods loading or drop off, staff rollout, caravan maintenance, animal aid or replacement, all sorts of amusement during downtime. Within the staff, could be gambling, conflict...
The Aurora's Emporium could have a recent division for cheaper ground transport.
If their heavy use of Teleportation pose a problem to your adventure idea, perhaps a different one could be used among Forgotten Realms Mercantile Company or Trading Costers such as Lionshield or Iron Throne for...