Chance for getting Mid Heart.

[Rezai]

Hi guys , anybody knows here what are the chances for getting mid grade heart from disassembling U jade?
I know the chance is low but i want to know the exact number of rate .

If anybody knows , pls comment . I would appreciate it ^^
Thanks!

[TheAyikita]

Some say it's 5% or less maybe? No one knows for sure.