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Q: Can I use arcane inheritance to inherit skills from Forma of Rearmed Heroes to other Heroes?
A: Forma cannot be used for skill inheritance. This means that Forma of Rearmed Heroes cannot have their skills inherited by other Heroes using arcane inheritance.
Q: If a Forma of a Rearmed Hero is merged, can their arcane inheritance be restored?
A: A 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 an arcane inheritance.