one reason would be that she took the 3 black boxes from clear and kieran, one transforms into Nancy and the other transforms into the MC, the third black box is still unknown
did you visit adreinn in the gearen labaratory first? though, when you got to goldenwood town, you can enter to defeat rift gyarados again
edit: try to enter from the goldenwood gates to see if you can enter
ah right, it seems to just vanish with interceptor's wish, her mega houndoom is a big issue, you can probably use hydreigon as a counter, or maybe mega snorlax
what do you mean everything on his pc? did he delete the save file?
if its just the save file then, he can use a backup, unless all backups were erased
ok so there is this guy called Alistair in North Cellia and his stuff has been stolen, he mentioned something about foxes but idk where to go from there
edit: nvm found the answer