UPDATE: GM Wylloh announced a bug fix for the Amulet of the Arkati. Field experience will now be saved when using the amulet after you have died.
Text of Discord Post follows:
GM Wylloh
Amulet of the Arkati Bug Fix
on 23 May 2023 3:45 PM
from the Official GemStoneIV Discord
on #general-announcements channelField experience will now be saved when using the amulet on death.
Thank you for your patience!