There is so far:

No SSR ST Arts Ruler, Avenger, nor Moon Cancer.

SSR ST:

• Ruler: buster, quick & arts (none); Martha ruler, Astraea & Vinci are all SR

• Avenger: buster (Jalter), quick (Taira), arts (none)

• Moon cancer: buster, quick, arts (none)

• Alter ego: buster (none), quick (Melt), arts (Sitonai)

• Foreigner: buster (OG Abby), arts (Yang Guifei), quick (none; wouldn’t count Gogh’s NP as offensive ST)

• Pretender: none