What type of bug are you reporting? Mechanics
What is the bug?
Magician does not steal an item if the target is KO'd by the attack.
Are you able to replicate it? If so, how?
https://replay.pokemonshowdown.com/gen9nu-2301477631
In this replay, Delphox KOs three Pokemon after using it's Sitrus Berry but does not steal any of their items. It only steals an item when it fails to OHKO the Bronzong.
On console, Magician will still steal an item even if the target is KO'd by the attack, as shown in this video at timestamp 7:25.
What is the bug?
Magician does not steal an item if the target is KO'd by the attack.
Are you able to replicate it? If so, how?
https://replay.pokemonshowdown.com/gen9nu-2301477631
In this replay, Delphox KOs three Pokemon after using it's Sitrus Berry but does not steal any of their items. It only steals an item when it fails to OHKO the Bronzong.
On console, Magician will still steal an item even if the target is KO'd by the attack, as shown in this video at timestamp 7:25.