Fusion

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Fusion is the process of two or more headmates or fragments becoming one. The resulting headmate (sometimes referred to as a "fusion" themself) often has traits of both, but not always balanced.

Fusion is a type of integration that relates to identity of members. This may require the integration of other aspects between members, such as different memories, traumatic experiences, or general experiences. Fusion may be induced deliberately, or happen spontaneously, depending on the system.

For some systems, fusions may retain some "fault lines" along which they may re-split into their original components, and for some systems the fused members may never return in their original form.

Some uses of fusion include a temporary context in which members may "unfuse" without breaking, though this is more often referred to as merging or blending.

History
Fusion is often seen as a sign or step of healing, especially in disordered systems. It may be used by large systems to reduce member count to manageable levels, or merge fragments.

For problematic handling of fusion on therapy, see the history of final fusion.

Fusions may be unstable and prone to resplitting, especially with fusions involving a large number of members, or fusion that is attempted prematurely while many aspects between fusing members have not been fully integrated.

Similar to how formation of new members may be related to healing, fusion may related to stress or dysfunctional.

The use of fusion in the context of temporary merges may have been influenced by the popularity of the TV show Steven Universe.

Related Terms
Breaking may be considered an antonym of Fusion.

An artisan may actively cause other members to fuse.

Forced fusion refers to members being forced or pressured to fuse, and is often seen as abusive, similar to the forced splitting that may be performed ny an extirpator.

In large systems, systems with unstable member count, or systems with a lot of fragments, fusions may happen commonly and spontaneously.

Final fusion is the fusion of all members of a system into a corelet.