Contrary to rumors, there isn't a deliberate "patch" from developers to stop save editing. Instead, the issue stems from and missing data files :
If the latest version of your editor has removed Xianxia support, community members on the Fenoxo Forums suggest rolling back to v1.3.2 or earlier , which still contains legacy support for Xianxia-specific flags. coc xianxia save editor patched
You can still use standard editors to modify stats that Xianxia shares with the base game, such as core attributes (strength, toughness) or common perks. Items or perks exclusive to the Xianxia mod may appear as "Unknown" but can often still be tweaked if you know the specific ID. Contrary to rumors, there isn't a deliberate "patch"