Fire Emblem Heroes - Heroic Grail Pool

I'm pretty sure it will. No point in keeping it limited to the originals.

Change as in increase? Theoretically.

They'll add more units later on but other than that, nothing else will change.

It has all the TT/GHB units that has been released (besides Aversa and H.Dorcas since they are the most recent units) so I don't see what they would change about the selection besides adding in more TT/GHB units that comes ouf