Eternity, sell or use?
It’s up to you to decide what you find worth it.
Basicly you’ll have Twilight and Sunrise to make any Greatsword Legendary (cosmetic-wise) so Eternity might not be worth it to some people, they’d rather sell it and be halfway (or more) there for Bifrost/Incinerator, but some absolutely love the look of Eternity and thus would find it worth the ~4000g for the skin. No-one can decide that for you.
Though if you want to know what I’d do: I personally don’t like Eternity (the footsteps don’t match the weapon and it looks a bit toxic, neither would I be able to match my armor with the daytime and nighttime version) so I’d sell it and more or less be able to afford anything I need for Bifrost and well Bolt, since I don’t like the Incinerator at all. ^^ Picky picky.
Goodluck deciding!
It really depends on you. Were you in it for the skin, or the stat swaps and permanent top tier?
I love ele and thieves, but the aesthetic looks of mesmer and guards rly catch me too
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You practically said what you want to do in this sentence.
“Aesthetic looks” = skins [be it Twilight or Sunrise]
And the love for thieves and eles speak for itself since they won’t get any love from Eternity.
You seem to have made up your mind already but looking for affirmation.
Simply put:
2 Legendaries + 2 Skins
or
1 Legendary + 2 Skins