|Prior forms||Greymon, GeoGreymon|
|Next forms||WarGreymon, or ShineGreymon,|
MasterGreymon is a Dinosaur Digimon whose name and design are derived from "Master Greymon". Like MasterTyrannomon, He looks like a larger Greymon with a scar on his body and X-shaped scar on his chest. He also can be digivolved from Greymon instead of MetalGreymon.
- Master Nova Blast- Releases a orange aura, accumulates energy and breathes out a flame with sufficient strength from the mouth.
- Master Grey Claw: Pierces and crushes the enemy with his huge claws.
- Grey Stomp: Stomps on his enemies by crushing them.
- Nova Earthquake: Making a earthquake after he stomps on the ground on his enemies.