Having the entire early saga in one installer simplifies the process of archiving the series.
This "RePack by CorePack" refers to a highly compressed, community-distributed bundle of the Assassin’s Creed series. While these releases are popular in certain circles for their small download sizes, there are several technical and ethical factors to consider before using one. What is a CorePack RePack? Assassin’s Creed Anthology – RePack by CorePack
Since these are distributed via unofficial channels (torrents or file-hosting sites), there is an inherent risk of malware. Unlike Steam or Epic Games Store, there is no central authority verifying the safety of the files. Having the entire early saga in one installer
Because files are modified to achieve high compression, repacks are more prone to crashes, missing audio, or corrupted textures compared to the official versions. What is a CorePack RePack
For users with slow internet or data caps, downloading a 20GB repack is much easier than downloading 60GB+ of original retail files.