From the OOC perspective, Kamadan is the port-city of the Guild Wars Nightfall campaign. Characters created in that campaign will arrive at Kamadan right after completing their first mission. Player characters created in another campaign wishing to travel to Kamadan should travel to one of the other port cities Lion's Arch or Kaineng Center to receive in-game tips on a quest they need to complete to travel to Elona (Kamadan).
For more information, see the GuildWiki article on Kamadan.
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