: Because Diablo 4 is an "always-online" game, Blizzard's anti-cheat systems (and server-side checks) are constantly monitoring for memory modifications.
For the curious, here is exactly why a "stealth" trainer fails: diablo 4 trainer
This argument made sense in Diablo II (offline single-player). But Diablo IV has: : Because Diablo 4 is an "always-online" game,