@yueer Even so, he had one job. Which he could've accomplished any number of ways after he was captured, and maybe even during whatever fight he had.
Just the easiest one would've been sending that bird the moment he was captured and in a cell, so Greed would know beforehand what the situation was.
I wasn't expecting that… though that should've been obvious from the beginning. Oh, that baboon is going to rue the day he allowed the rabbit to become the successor of some kind of awesome shrine :D