Players were not granted status as Emerald Magistrates at the end of the Topaz Tournament.
Otosan Uchi, while it is a major port for the Tortoise, is not architecturally designed around the Tortoise.
Broken Wave City and the island it was on was not created by the sacrifice of Shugenja during the war between the Phoenix and the Mantis (a minor clan at this time). It is a natural island and highly contested. The Phoenix barely tolerate diplomatic relations with the Mantis because they have a superior fleet and conduct extensive trading.