status effects have never been considered "an ability", they can be part of abilities, but are themselves not an ability so it wont be able to proc sheer venom
you can guarantee sheer venom anyway using like poison injection, which itself can also proc poison status effect (triple execute dots lol)
i have my main house (grand topal hideaway) listed in the housing tours, it has multiple target dummies, scribing altar, and grandmaster stations (in progress being filled out), as well as almost every antiquity furnishing on display to preview them