The rounded stroke endings and simplified letter styles work well for titles, Headlines, and at large sizes where the small strokes and slightly rounded features increase.
Ottavia is available in 1 weight and supports Greek and Cyrillic with localised alternatives and as always, it is equipped with several typographic extras: tabular figures, arbitrary fractions, symbols and dingbats.
https://craftgraphic.com/products/ottavia-font/
and see the included designs in the download pack, ranging from logo designs, to editable designed templates using the font.