When was the Arachnid Set released?

This Set was added to Fortnite with the v6.10 Update. Some Cosmetics however may have been released and added to the Set at a later date.

How many items does it contain?

So far there are 6 Legendary, 1 Epic, 1 Rare Cosmetic Items in this Skin Set. Fortnite can add more skins at any time.