All the Mira hatting is unfunded.
1. Phantom is about seed
2. Add yoki to a skill and the skill increase in power or speed.
a. Add yoki to Phantom and you get super-Phantom (noting strange about that).
The argument should be:
Why now and not in Pieta?
Lost of good explanation for that. Make one up, and you have your answer.
Nothing strange. I have been waiting for this for years, its about time.