The cooldown timer is 10 seconds
If you’re referring to the loading screen though, then that is another matter.
Loading will be highly dependent on the speed of the drive that Conan is installed on (An SSD will load almost instantly vs a HDD can take several minutes on occasion)
They are working to optimize this though as much as they can, if you check out the testlive patch-notes released today, that is specifically one of the issues targeted.
Continuing the discussion from Public Beta Client- Age of Sorcery Performance Patch (2022.01.19) - Performance and general bugfixes: