yea when I added it, I got the Korean name to make sure it wasn't different to the dubbed name, checked YT for the footage of the attack itself, whilst also used the news article on the DMO website. all three were single g.
See Digimon Fusion/Appendices/Attacks. We keep records to match up between the NA and JP releases. It is made clear that Ground Zero is being dubbed as Cursed Breath (which is not uncommon for dubbing).
Typically the changing of a page's name is performed by an administrator but I allowed Marcus to do the page move because he gave valid source for the change and I would have just done it myself anyway.
For future reference, check to see if the Etymologies section has "Official romanization given by the Digimon Reference Book" before changing a name.
Doesn't matter, he's a jogress level in Adventure 02. And if there's one thing I've learned from editing these, it's that if it's considered that level anywhere, it's official. I am willing to undo the ZeedMilleniummon one though.