1. None knows that. Probably at the end of Book III
2. Maybe at some legendary banner.
If you're luck it could be this coming one, but like the first answer none really knows when.
For both waiting and patience are the best answers.
B.Celica I think appears on a legendary banner within three months of today.
Lif...if they follow the pattern of releasing Book II antagonists after the end of Book II then we'll get Lif after the end of Book III which is approximately one year from now.
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