Ultimately, like the game's treacherous royal courts, the path of the DLC unlocker is one of risk and reward. The crown is there for the taking, but one must always watch for the blade hidden in the cloak—be it malware, a Steam ban, or simply the guilt of walking away from the tavern without paying the tab.
To unlock all DLC for Crusader Kings II (CK2), users generally refer to tools like ck2 all dlc unlocker verified