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We are aware of the recent Heartbleed Bug internet vulnerability issue and can confirm that none of the KingsIsle systems or websites were impacted. If you wish to have further clarification about the bug itself visit http://heartbleed.com.
Kiwu is in Karanahn Barracks, just off of the Well of Spirits. When you get there, open your map, and you'll see where Kiwu is. You may have to defeat him again. When you do, walk up to the table behind him and an prompt will appear.