Wait for yokai to come around again. Getting all the minions and the mount is 700+ fates easy. And everyone woulda be doing them so its good exp gain and good for fate achievements.
Also you can join spawner parties that farm certain fates for hunts or achievements. And do fates while in que for other things.
There should be linkshells for fate spawners and fate farmers, you could try find like minded people who would make it less of a slog