|This article is about a/an transformation device/artificial kivat/companion in Kamen Rider Kiva.|
|Villain Type:||Artificial Kivats / Companion|
|Season:||Kamen Rider Kiva|
|First Appearance:||Kamen Rider Kiva: King of the Castle in the Demon World|
|Last Appearance:||Kamen Rider Kiva: King of the Castle in the Demon World|
|Number of Episode|
- "Yeah! Shall we go doron doron."
- ―Arc Kivat's first quotes[src]
Arc Kivat is the transformation device and partner to Kamen Rider Arc. Arc Kivat is a mechanical Kivat created by the Legendorga for their leader to assume his rider form. When Kamen Rider Arc uses the Wake Up Fuestle (which resembles Rey's Key Fuestle in the movie), Kamen Rider Arc transform to Legend Arc and Arc Kivat also assumes Mecha Kivat (メカキバットMeka Kibatto) mode as his persona cast comes off and yells, "Go to Hell."
In the short amount of time he was seen talking, Arc Kivat is cheerfully sadistic, taking delight in destroying enemy.