death_jail_summer_escape
Raiding Chariot Dungeon: Celtic Prison[br]Death Jail Summer Escape ~Medb's Prison of Sin and Despair 2017~
While each team races through the scorching heat at full throttle, everyone tumbles into a deep ravine just as they're about to cross the finish line.
Master and Mash hurry to investigate and see if the competitors are okay, and learn that all the participants have been thrown in jail!
Can the incarcerated Servants find a way to escape the supposedly inescapable prison?
A limited-time Summer event in Fate/Grand Order, released on the Japanese server on August 17, 2017 and on the NA server on August 5, 2019. The first half of the story is covered in Dead Heat Summer Race! Ishtar (Swimsuit Rider) (fate) is given as a reward to players for completing both halves of the event.