- Siege of Niuzao Temple: Silver
- Complete the Siege of Niuzao Temple Challenge Mode with a rating of Silver or better.
Siege of Niuzao Temple: Silver is an achievement earned for completing the Siege of Niuzao Temple challenge mode with a rating of silver or better.
Patch changes[]
Patch 6.0.2 (2014-10-14): Moved to Legacy. 
Patch 5.0.4 (2012-08-28): Added.