Slavjanic ieUcs, a free Church Slavonic display font, carries a liturgical, manuscript-bred mood from the first glance. The letters are tall and ceremonial, mixing narrow vertical weight with pointed tops, hooked accents, and teardrop cut-ins that make the whole font feel solemn rather than ornamental.
It fits best where you want an Orthodox or early Slavic atmosphere - book covers, museum graphics, festival posters, title cards, and chapter openings all make sense for this free font. Use it for short lines, initials, or monogram-like marks, where those steep strokes and icon-like details have room to do the work.