Turning capital into castle in SS6.3?

[Gunodd]

Does that make it some ubermensch spawning supercastle? Even though I upgrade all my castles all the time I never seem to get anything other than spear militias. Playing as Poland. I'm also using SS6.3. I'm at war with Lithuania, Denmark and Novgorod, and it's hard to win fights with such inferior troops, especially against Denmark.

[ChivalrousKiller]

Upgrade the unit buildings then

And no, it doesn't become a super-castle. It takes a lot of time there too.
I would never turn my capital into a castle, it brings more money as a city

[Gogolometro]

If you have Riga, is a must to make it castle like teutonic order.

[Gunodd]

If you have Riga, is a must to make it castle like teutonic order.

I hold almost all of Eastern Europe, The Tutons must've been wiped out.