A series of new challenges await those who have met the Voidwatch threat. In the next version update for Final Fantasy XI, the outlying areas surrounding the Grand Duchy of Jeuno as well as several areas from the Rise of the Zilart expansion will see powerful new Voidwalkers breaking through!

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From the official Final Fantasy XI forums:

The upcoming version update will feature a new installment of the Voidwatch battle system.
Players will engage Voidwalkers in battle in the following new jurisdictions:

Jeuno Region

• To participate:
  • Players who have completed up to stage four of the San d’Oria/Bastok/Windurst Voidwatch missions and seen the corresponding cutscene may join the operation by speaking to one of the Voidwatch officers stationed in the three nations.

Zilart Region

• To participate:
  • Players level 75 and above who possess an Adventurer’s Certificate may join the operation by speaking to the NPC Kieran in Norg (I-8).
    *The Zilart Voidwatch operation will be handled by special NPCs in place of the standard Voidwatch Officers.