Just have them be treated like Dark Rift bosses so that only the player spawning them can see and interact with them
Install the Black Desert Launcher if the game doesn't start.
The launcher will appear if it's installed.
If it doesn't, try to run your downloaded launcher.
1 Run BlackDesert_Installer_NAEU.exe to install the Black Desert launcher.
2 Start the game once installation is complete.
Just have them be treated like Dark Rift bosses so that only the player spawning them can see and interact with them