Superior Rune of the Krait Receipe Problem
Huntsman can’t create runes only sigils. Runes are for armoursmith/ tailor/ leather worker. Sigils are artificer/ weaponsmith/ huntsman.
The recipe you are trying to do is for sigil of conjuration. You need an ecto to make it in addition.
http://www.gw2db.com/recipes/11143-superior-sigil-of-conjuration
The superior rune of krait is an armoursmith recipe.
http://www.gw2db.com/recipes/8840-superior-rune-of-the-krait
thanks…must have shown up because I am a leatherworker too.