Seasonal Alter

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A seasonal alter is a headmate that is active during certain times of year, seasons, or weather, and inactive for other times of the year. For example, a headmate who is a bear that hibernates during winter.

Related Terms
Frostling describes headmates who are active or front during cold times, while InfernoFlame describes headmates who are active or front during warm times.

Unisystems or horaetien systems go through seasonal changes in function and fronting patterns.