Transformative Source

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A transformative source is a source that a headmate gains that makes them transform behaviorally or physically.

Related Terms
A headmates that gain a source after forming may be considered a:
 * pre-factive/pre-fictive
 * multifactive/multifictive, dualfactive\dualfictive, composite, amalgam

Acquiring a transformative source may be associated with canonbonding.