*Sigil's national anthem sounds exactly like the old Doors Unlimited jingle
*Halflings are colloqually known collectively as "the shorty" and are known for their tunnels and pipeweed
*Older dragons' hoards are mostly in copper because their size rapidly outpaces their wealth and so to sleep on a pile of coins they need to have it changed for smaller denominations. It also makes it harder to steal.
*A Mirror of Opposition that is left turned on and uncovered will accumulate a pile of dead rats and flies in a semicircle around the front
*Erandis d'Vol is known as "Randi" to her friends