I searched for the exact phrase , but it does not appear to refer to a known academic paper, peer-reviewed article, or a published book. It may be a typo, a very niche fan document, or a reference to a game guide (possibly Tales of series + Moon + "extra quality" as a difficulty or item tier).
Why go through all this effort? Simple: Profit. tales of the moon guide extra quality
To make the EQ grind bearable, you need these items. They are missable: "tales of the moon guide extra quality" I
The statue cracked. A hand reached out and grabbed Kaelen’s wrist. Accessibility of story: The statue cracked
This guide provides a comprehensive walkthrough for Tales of the Moon