The main problem with the Xunlai Tourney rewards is that it becomes possible for a single person to generate very large amounts of in game items(Zaishen Keys) for very little effort(albeit real world expense), as individuals may purchase Multiple accounts.
The obvious consequence of this is that Keys are going to get devalued over time at a much faster rate, not to mention the fact that it now becomes possible for one to spend real world money for in game cash equivalents.
Now as far as I know, the whole purpose of keys, was to create increased participation in PvP, as was the xunlai tournament house... one way or another.
However, if the keys get devalued, this would make the balth rewards from PvP less valuable, and obviously, the implementation of the Xunlai tournament house would be very counter productive.
Being a fan of Pvp, I really don't want to see this happen, despite the fact that i get fairly decent rewards every month.
So my suggestion is either a change to the system that results in reduced depreciation of PvP rewards, or the full removal of the Xunlai rewards.
edit: summary-
-XTH is causing a large injection of Keys into the economy resulting in inflation.
-Can be abused by people spending Money (bad in it's self, since it becomes a means by which one may purchase in game cash equivalents)
-Causes devaluation of Z-Keys
-devaluation of Z-keys reduces rewards gained through PvP
-HENCE, this will lead to little/no progress to the original goals of creating interest in PvP
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