Epiphaneia was born in 2010. He is by Symboli Kris S out of Cesario by Special Week.
Epiphaneia, a son of Yushun Himba (Japanese Oaks) and Grade 1 American Oaks winner Cesario, easily won the Grade 1 Japan Cup by four lengths over Just a Way, who is the devastating winner of the 2014 Group 1 Dubai Duty Free. He also took the Grade 1 Kikuka Sho (Japanese St. Leger) and was second in both the Grade 1 Satsuki Sho (Japanese 2000 Guineas) and the Grade 1 Tokyo Yushun (Japanese Derby). He was rated 129 and second to Just a Way in the Longines World's Best Racehorse Rankings of 2014.
Epiphaneia entered stud in Japan in 2016 (Note: He stood on Southern Hemisphere time in Japan in 2015).
In 2024, Danon Decile earned a stunning victory in the Grade 1 Tokyo Yushun (Japanese Derby), defeating Grade 1 Satsuki Sho (Japanese 2000 Guineas) winner Justin Milano by two lengths and was awarded Best Three-Year-Old Colt in Japan. Epiphaneia was also represented by Stellenbosch, who claimed the first leg of the Japanese Fillies' Triple Crown, the Grade 1 Oka Sho (Japanese 1000 Guineas); Blow the Horn, who took the Grade 1 Takarazuka Kinen; and Ten Happy Rose, who captured the Grade 1 Victoria Mile. In 2025, Danon Decile displayed a strong closing kick from mid-pack to win the Group 1 Dubai Sheema Classic. Also in 2025, Byzantine Dream won the Group 2 Red Sea Turf Handicap and the Group 2 Prix Foy, and finished 2nd in the Grade 1 Tenno Sho (spring).
Among his other best progeny are Efforia, who was crowned Horse of the Year in Japan by winning the Grade 1 Satsuki Sho (Japanese 2000 Guineas), the Grade 1 Tenno Sho (autumn), and the Grade 1 Arima Kinen (Grand Prix); Daring Tact, who became the first undefeated winner of the Japanese Fillies' Triple Crown and was awarded Best Three-Year-Old Filly in Japan; and Circle of Life, who won the Grade 1 Hanshin Juvenile Fillies and was awarded Best Two-Year-Old Filly in Japan.
Epiphaneia was crowned Japanese Champion 2yo Sire in 2025.