Aha...
tak to bude warez repack od téhle grupy: https://en.wikipedia.org/wiki/Fairlight_(group)

Based on theHunter_Call_of_the_Wild_Emerald_Coast_Australia-FLT ISO Release
Game Version : v2546982
DLCs: 44 DLCs included
Language :
– Text: English, French, German, Portuguese – Brazil, Russian, Spanish – Spain, Czech, Polish, Simplified Chinese, Japanese
– Audio: English
– Language can be changed in flt.ini file

Takže rada k ničemu pro nepiráty.
Jediná funkční čeština pro hru z EPICu je tedy pomocí toho launcheru Heroic (ověřil jsem si to, funguje)