|This article is about a/an set of alternate forms in Kamen Rider Ryuki.|
- ―Transformation announcement[src]
In these forms, the Riders' armor grows and gains gold trims, changing the color of their Advent Deck, morphing their Visor into a new Visor Zwei, and giving them access to new and stronger Survive-level Advent Cards (both stronger versions of some old cards and new cards entirely). Their Contract Monsters also evolve into stronger forms.
Though theoretically all 13 Riders can access their own Survive Form, only Ryuki's and Knight's have been seen on-screen. Several others have been seen in concept art and the S.I.C. Hero Saga stories Kamen Rider Ryuki: Advent Calendar and Kamen Rider Ryuki: World of If. Nothing addresses the possible outcome of a Rider trying to access their Survive form through a different Survive card than usual (like Ryuki using Survive Shippu instead of Rekka).
- "I definitely won't die! Once you take a life...you can no longer go back!"
- ―Shinji's resolve to fight Ren as Knight Survive after becoming Ryuki Survive[src]
Shiro later gave the Survive Rekka card to Shinji Kido to incite him to fight other Riders as well, and he used it to become Ryuki Survive and fight Ren, but the two soon reconciled. It also then became his fallback strategy against stronger Monsters and Riders.
Though the Survive Mugen card was never seen in Ryuki series, it is eventually later seen in Rider Time: Kamen Rider Ryuki, and it is in Odin's possession, the only Rider ever associated with it in any material. It is implied in the final episode of this miniseries that the Survive Mugen card, when used in conjunction with the other two cards, allows Odin to restart the Rider Battle over and over again, most likely on behalf of Shiro Kanzaki.
Kamen Rider Zi-O
When the Ryuki Ridewatch is inserted into the Decade Ridewatch, Kamen Rider Zi-O can channel the power of Kamen Rider Ryuki, combining the Zi-O DecadeArmor and Ryuki Survive to become Kamen Rider Zi-O DecadeArmor Ryuki Form.