Question

What are the trio names for Zacian/Zamazenta/Eternatus and Solgaleo/Lunala/Necrozma?

Comments

I think that the gen 8 trio should be called the medival trio, as each represent something from the middle ages. Eturnus is a dragonic beast, the sword legendary is a typical knight, while the shield legendary is a sort of paladin. (i forgot the names of the sw and sh legendaries...)

Answer 1

Solgaleo, Lunala, and Necrozma's trio has no official name, but is referred to as the Light Trio by fans. Zacian and Zamazenta are referred to by fans as the Hero Duo, but it isn't official. Eternatus is not part of a duo, trio, etc.

Hope I helped!

Source
Source

Comments

Not that this is an official denomination, but the SwSh legends all have Dynamax killing moves. : P

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well yea I thought it was the light trio too

Answer 2

Solgaleo, Lunala and Necrozma's duo is known as the Cosmic trio and Zamazenta, Zacian and Eternatus's trio has no real name but Zamazenta and Zacian together are known as the legendery wolves.

Comments

zacian zamazenta eternatus is combat trio
it says so here: https://pokemon.fandom.com/wiki/Legendary_Trio

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Read the article. It clearly says that's a fan term for them.