Kiya's crypt will be open after you rise up in the ranks enough for her to challenge you to a dual (towards the end of the act). There is a guy in the building west of the bulletin board at the entrance of the temple complex who can tell you about ranks and show you your current position.
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BTW, when you are looking at the topic listing for a forum, there is a 'New Topic' button just above the top of the list, on the left (and just under the header graphic and orange-text forum menu).
