1. Only if you had a rank on old OPBlocks, you'll get it back. But you need proof of you having the rank.
2. I think they said that there will be 1 realm at the start, then they will have more realms.
Right @Zapexy
I had /fly, but I don't have proof because it was so long ago. Is an accepted donation support on the Prime forums ok?
and, any estimate when the server will be up?