If you can provide more details about the plot, characters, or where you saw this title, I can help narrow down the exact series you are looking for.
The specific string you provided—"HuanMZX 720P EP25 rmvb"—resembles a standardized filename typically found on peer-to-peer (P2P) file-sharing networks or older anime download forums from the early-to-mid 2010s. Analysis of the File Components Download HuanMZX 720P EP25 rmvb
or similar titles related to "Huan" (Fantasy) themed cultivation donghua. Huan Jing or Huan Jie (Fantasy World) series. Safety Warning If you can provide more details about the
: A RealMedia Variable Bitrate file extension. This format was extremely popular in China for sharing video files due to its high compression and small file size, though it is now largely obsolete in favor of MP4 or MKV. Potential Identifications Huan Jing or Huan Jie (Fantasy World) series