Glad you like the games! Always nice to hear.
The first game will see some updates still. The priority will be in fixing and polishing stuff though. Currently I don't have plans to have bigger expansions for the game anymore. The equipment, skills and magic of the game work well in a relatively short game, but expanding it much more, I fear it would lose the sense of progression and things would just get a bit more tedious. I could of course overhaul the hexen and other stuff accordingly, but at the same time I don't want to turn these games into forever projects. I'm actually pretty anxious in starting a new game once the Termina is out and some updates have rolled out. I never have any clear planned content for these games apart from the core story, so everything that's been added on top of that is just done in a whim. I just get an idea and think it could fit the game and ta dah - it's in the game.
But there will still be some additions to the first game I'm sure.