Title: Tournament Region Stat Boost
Summary: Holding a tournament boosts the stats of the region that is hosting the tournament. Since nobles are visiting the region from across the continent, it would work like tourism. More nobles in the same place would encourage more spending which in return help the local economy.
Details: Depending on the number of participants, the region gets production and morale boost for the duration of the tournament and maybe additional few days afterward
Benefits: Will encourage people to host tournaments more often. Since the region stat boost depends on the number of participants, that will encourage people to make their tournaments more attractive by increasing the prize pool.
Possible Downsides/Exploits: People might host too many tournaments.