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Q: Can I use arcane inheritance or elite inheritance to inherit skills from Forma of Rearmed Heroes or Attuned Heroes to other Heroes?
Forma cannot be used for skill inheritance.
This means that Forma of Rearmed Heroes and Attuned Heroes cannot have their skills inherited by other Heroes using arcane inheritance or elite inheritance.
Q: If a Forma of a Rearmed Hero or Attuned Hero is merged, can their arcane inheritance or elite inheritance be restored?
Forma cannot be set as the source ally in a merge if the target ally is a non-Forma Hero.
So, you cannot set them as the source ally in a merge to restore their arcane inheritance or elite inheritance.