[aaaaa]

Each castle has 3 garrison slots, which is suitable for most cases.
But I found that 3 garrison slots in the King's castle (Kronberg) in capital city, Greenwort/Darion, are not enough, even with additional 3 slots of Knight's Temple.
When I switch/change constituents of my main troops, (ex: from human troops to dwarven army), I need place to dump and save half-filled old army. I may dismiss these old army. But it seems waste of my money. I may need to switch back to human army. I'd like to save them for future use. To do so, I have to travel to empty castle in far way region.
Additional slot may not be free. You may "buy" the slot or one additional garrison slot in King's castle is given as prize for each fulfillment of King's quest.

I'd like to have more garrison slots in King's castle. It will not impact game balance much, but will improves convenience of player.