Diamond Is Unbreakable (Japanese: ダイヤモンドは砕けない, Hepburn: Daiyamondo wa Kudakenai, sometimes translated as Diamond Is Not Crash) is the fourth story arc of the Japanese manga series JoJo's Bizarre Adventure, written and illustrated by Hirohiko Araki. It was serialized in Weekly Shōnen Jump from 1992 to 1995, with the 174 chapters collected into eighteen tankōbon volumes. In its original publication, it was titled JoJo's Bizarre Adventure Part 4: Jōsuke Higashikata. It was preceded by Stardust Crusaders and followed by Vento Aureo.
Araki introduced the Bow and Arrow in this arc, which causes characters pierced by it to develop a Stand ability. This was used on DIO at the beginning of Part 3, which not only gave him a Stand but caused Stands to develop in the Joestar bloodline as well. The arc was adapted into an anime television series by David Production, JoJo's Bizarre Adventure: Diamond Is Unbreakable, that began in April 2016.
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