Source Progression

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Source progression is a process by which a sourced headmate's exomemories or attributes change due to a change in their source. A sourcebound headmate will experience such a change whenever new source information or material becomes available, for example if a fictives source is still ongoing.

If a sourcebound headmate experienced source-derivation during or after their formation, their differing memories may contradict new canon events. In this case, the headmate may become nonsimilous, or their exomemories may be retroactively changed and rewritten. Their contradicting memories may also remain, as with icofictives.

Related Terms
Canonbonding, transformative source, and mixed-canon all describe a change in exomemories and attributes that goes along with acquiring new canons or sources.

A sourcebound headmate is one that is and remains similous even through canon changes.

An ouroboros is a mostive that experiences source progression.

Textforms, dramaforms, and autojects may experience source progression.