[ An answer will come within a short period, though not immediately after. ]

If the materia reaches mastery and Collins is still Yazoo's warden, take the copy to Collins. If it takes longer than the month bring it to me. I'll speak with his next warden. Leave it to him to tell Yazoo and work out the arrangement from there.

[ That is to say, don't get Yazoo's hopes up in case something changes Collins's mind. It probably won't. ]