Has been fixed (don't forget this was a beta weekend so |Anet can fix things like these. Any mistakes will be rectified.
A-net (!empty($user->lang['WROTE'])) ? $user->lang['WROTE'] : ucwords(strtolower(str_replace('_', ' ', 'WROTE'))):
* Spirit of Weariness: Fixed a bug that caused this spirit to remove more energy than intended.
/NAY