These ringed Seidan Prison Keys are in the possession of former Seidan Guardsman turned mercenary Dairou, and they first appeared in Mortal Kombat: Deception. The keys were later featured as another collectible Relic under the name Dairou's Keys since they're his alone within the Konquest mode of Mortal Kombat: Armageddon.
These prison keys, once belonged in the Seidan Guard prison within Seido, the Realm of Order, were stolen by Dairou as he escaped many years ago. Dairou later used them to help Shujinko break free from his wrongful imprisonment.
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