|This article is about a/an mecha in Kamen Rider Zi-O.|
In Kamen Rider Zi-O: Over Quartzer, several Dai Mazines emerged as a result of the Quartzer's attempt to erase the Heisei era. They would be crippled after Woz tore the Ohma Advent Calendar and were ultimately destroyed by Kamen Rider Zi-O Ohma Form and some of the Legend Riders' giant allies.
- Height: 3870 m.
- Weight: 280,500 t.
- Dai Mazine's name may be a reference to Daimajin, a tokusatsu film series created by Daiei Film.