Spoiler warning. This page gives away the puzzle from 17 August 2025. If you have not played it yet, try it first – five guesses, and it is still there.
In an alternate timeline, the Greater Grail was stolen from Fuyuki and a new Holy Grail War begins with two factions of seven Servants each. The conflict escalates when Ruler-class Servant Jeanne d'Arc arrives to oversee the war, and the homunculus Sieg gains unexpected power.