Anyone familiar with the Undead Tribe can probably see this.
And Hill can see even more that William has always been searching for a world where the Undead Tribe can vent their mutual grudges.
The Undead Tribe actually understands this too, otherwise, during the time in Aesces, so many families wouldn't have dabbled implicitly.
During the time in Toril, the 'activity' of those families wasn't as obvious.
In a world where fighting as a major group offers more advantages, the Proud Sky Alliance, due to those diverse kinds of leadership, necessarily has its significance.
Ambitious families who are aware of their own hearts generally won't seek trouble with the Proud Sky Alliance in this world.
But their suppressed ambitions inevitably need a place to be expressed.
So, there must be a random-type battlefield... Even if the Proud Sky Alliance remains as united, it can't always maintain a scale of tens of thousands in group fights.
