Zo Uncopylocked Extra Quality -

"Extra quality" in this context means:

: Unique visual effects (VFX) triggered when a player enters the world, similar to the original game's aesthetic . zo uncopylocked extra quality

: ZO ぞ has a formal Quality Assurance (QA) program where testers are sometimes paid to find and report bugs to the developers. "Extra quality" in this context means: : Unique