02-21-2015, 07:08 AM
This is a feature and not a bug. These type of items would be kind of broken in PvP situations if they did not constantly drain and auto-reapplied charges when they were out, especially items like inivisibility and magic reflect.It also makes them require some tactics to use in PvP instead of "set and forget", as it's expensive to leave items equipped.
They were changed to work this way in patch 16.
They were changed to work this way in patch 16.