Amica Endura

Amica Endurae are a type of relationship from the IDW portion of the Generation 1 continuity family.

An Amica Endura is a Transformer's long-term best friend. For a species that can live for millions of years, that sort of lasting friendship is a big deal.

A related-but-distinct concept is the Conjunx Endura, the equivalent of a spouse.

Fiction

IDW Generation 1 continuity

Nightbeat questioned Nautica if she had a Conjunx Endura, any Amica Endurae, or if her homeworld of Caminus practiced any sort of elective kinship. The answers were "no", "yes" and "yes". slaughterhouse

Nautica's Amica Endura is Firestar, though their relationship seems to be strained. The Sensuous Frame

Notes

• Nautica remarked most people would sidle up to those questions, making it rather gauche to ask outright.
• "slaughterhouse" did not explicitly say what an Amica Endura was, leaving it up for us to work out, but it was confirmed later by James Roberts.