Back in March…
Patch Notes
REGION-SPECIFIC GAME ADDITIONS
Below you will find region-specific updates coming to the version of Diablo Immortal available in China.
Auto-Battle Feature
A feature has been added that automates gameplay for the player, inputting their character movements and behavior. We have no plans to bring this feature to all regions in a future update.
Which was particularly funny, after this official statement…
A Statement on Cheating and Exploitation
In other words, they put something directly into the Chinese client to enable automation but if anyone does the same thing with the Western client, they’ll ban you for it.