Round table

The main highlight is viewing the structures in the opponent's castle and the presence of secondary units (including native ones, if they exist). This allows you to assess the opponent's chances, their economy, and the availability of troops when taking castles...
By the way, I've been caught out by this more than once, by Dubrovin and Lebron...
In my opinion, it's a subtle but important aspect that I didn't know about until I started playing on World of Xeen!!