|“||It hurts, it hurts, help me!||„|
|~ Diamond Mask|
The Diamond Mask is the first of Black Cross Volcano Mask General Magman's Masked Monsters.
The Diamond Mask made his first appearance at Navarone when both him and his general Magman were presented by Black Cross Führer. A while later the Diamond Mask began the invasion on the laboratory with an army of Zolders. Once inside the Diamond Mask used his diamond cutter to removed the door then asked the Zolders to find the blueprints to the Gorenger's suit. Once they acquired the punch cards they began to every weakness on the team's suit.
Once the Diamond Mask overwhelmed the team thanks to the info that they stole the team retreats to Varidorin to make a getaway as the Diamond Mask and a squadron of Condoler chased after it.
A while later the team buy themselves sometime to keep the Black Army occupied until their new suit has been complete. However Magman used the gas to smoke the team out and then the Diamond Mask sends out the Zolders to capture the team. However Shinmei and Peggy save them from execution by using Varidreen and Varitank.
After finally acquiring the new suit the Gorengers battles the Zolders. Once the Zolders are done the Diamond Mask was then destroyed by this finisher called Gorenger Hurricane which it transformed into a diamond cutter as it began to cut the Diamond Mask's face.