Historically, Warhorse releases a "complete" version of their games at a steep discount about a year after launch.
Henry of Skalitz did not become a knight by stealing swords from the armory; he earned them through sweat, groschen, and questing. Likewise, the only reliable way to unlock the Kingdom Come 2 DLC is to either save your groschen (real-world money) or wait for a royal sale. kingdom come 2 dlc unlocker
If you are looking for more content, consider these legal alternatives: he earned them through sweat