Based on thRO2's update schedule, it appears that players will make their way to Niflheim from Morroc via possibly an area known as Surt's Heart and a Tower of Babel. It is unsure at this point if Geffen, Aldebaran, and Comodo are slated for future updates since it doesn't seem like they're part of the current Rune-Midgarts in RO2's timeline. Schwarzwald and Arunafeltz also seem nonexistent at this point in Ragnarok history.
Resident Lorekeeper of Ragnarök
Check out my Wikia Art Gallery for art and commissions.