Ever since Black Ops 6’s release players have used the PvE Zombies mode to farm XP because it's much quicker than playing Multiplayer or Warzone (XP progress is shared across all three experiences). And within Zombies mode, various away from keyboard (AFK) glitches and exploits have been discovered that let players leave their console or PC running as their character obtains XP from infinite waves of zombie enemies. And that’s exactly what Aldredd / Beamishh did.
The Player left his Xbox on for over a month to become the first Prestige level 1000 player
Row Over Call of Duty: Black Ops 6 Player Who Used Zombies Exploits to Become First to Hit Prestige Master Level 1,000 and Reveal Rewards - IGN
A Call of Duty: Black Ops 6 player appears to have become the first in the world to hit Prestige Master level 1,000, revealing the previously unknown rewards for doing so in the process — but not everyone in the community is happy about it.
www.ign.com