MarsSeed [1] filed an orphan request for xorg-fonts-web-cyrillic-otb [2]: OOD since 2022, content has been merged into xorg-fonts-web-otb package.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/xorg-fonts-web-cyrillic-otb/