This power enables the wielder to control and shape the earth as they please, which includes raise the ground in the form of towers, to bend iron as if "it is made of toffee", and, by making certain hand symbols, to also turn minerals in the ground into sand. The wielder is also able to turn their body into metal, thus increasing their mass and enabling them to use the resulting increased gravitational force in attacks.
Diane has also displayed the ability to create golems out of rock. As a child, she created two such golems that she named Fillet and Loin, who were able to follow basic commands. Though she was disappointed that they couldn't talk, King was impressed that someone of her age could perform such a feat. Her aptitude may have manifested in response to her loneliness and desire for companionship.
- Sand Whirl「
砂の渦Suna no Uzu (Sando Wāru)」: After performing some hand signs, Diane touches the ground with her knuckles, converting it into sand. The whirling sands then pull down her opponent, burying them.
- Heavy Metal「
重金属Jūkinzoku (Hebimeta)」: Diane converts her entire body into metal, increasing her weight, strength, and durability.
- Mother Catastrophe「
大地の怒号Daichi no Dogō (Mazā Katasutorofi); literally meaning "Roar of the Earth"」: The earth is torn apart with a single strike of Diane's sacred treasure, Gideon. The debris, from the strike, is launched high into the air and gathered to form a massive mountain like structure that falls towards the ground and crushes anything caught in it's wake. This technique was powerful enough to cause the destruction of an entire town.
- Ground Gladius「
大地の剛剣Daichi no Gōken (Guraundo Guradiusu); literally meaning "Earth' Strong Sword"」: Gideon is slammed into the ground, raising the earth up into a sharp, gigantic spire with the appearance of a blade. The attack instantly dispelled the combined technique Dragon Castle, and was so large it could be seen from across the capital.
- Double Hammer「
双拳Sōken (Daburu Hanmā); literally meaning "Double Punch"」: As she is spinning Gideon behind her back, Diane summons two stone fists from the ground on both sides of her opponent. She then performs a hand sign to crush the target between them.
- Rising Meteor「
昇天隕石Shōten Inseki (Raijingu Meteo); literally meaning "Meteor Ascending"」: Diane raises Gideon high above her head, erecting an enormous star-shaped pillar from below her opponent. The pillar hits the target at an incredible speed, the force of which traps them against the pillar as it extends toward the sky.
- Rush Rock「
千の礫Sen no Tsubute (Rasshu Rokku); literally meaning "Thousand Throwing Stones"」: Diane uses her power to raise a number of jagged rocks from the ground. These rocks are then rapidly fired at her opponent.
- Fillet and Loin「
双子の巨像Futago no Kyozō (Fire ando Rōsu); literally meaning "Twin Colossi"」: After performing multiple hand signs, Diane summons a pair of golems, Fillet and Loin, to pummel her enemy.
土人形Tsuchi Ningyō (Furenzu); literally meaning "Earth Doll"」: Diane creates golems in the likenesses of Hawk, Elizabeth Liones, Meliodas, Matrona, and King, although some details are wrong. Because of her emotional connection to the originals, these golems are more complete and stronger than Fillet and Loin.
- Crazy Rush「
乱撃衝Ran Gekishō (Kureijī Rasshu)」: Diane summons an array of massive earthen fists to pummel her target.
- Combined Technique: Metal Crush「合技 メタル・クラッシュ Gōgi "Metaru Kurasshu"」: With Diane's Double Hammer immobilizing the enemy, Meliodas jumps forward and delivers a devastating blow to them with his sword. The attack shatters the rock fists into a torrent of debris that is blown away with the target.
- Combined Technique: Cross Shooting「合技
十字射撃Gōgi "Jūji Shageki (Kurosu Shūtingu)"」: While Diane throws a rock barricade the opponent, King attacks piercing his body with Chastiefol.
- Heavy Metal「
重金属Jūkinzoku (Hebimeta)」: Matrona converts her entire body into metal.
砕破Saiha; literally meaning "Crushing Wave"」: Matrona extends her arm, imploding the ground beneath her opponent into a multitude of earthen chunks, which she uses to assault her target. 
獄握Gokuaku; literally meaning "Prison Grip"」: Matrona clenches her fist, which causes floating chunks of earth to form a spherical prison around the target, immobilizing them.
流撃掌Ryūgekishō; literally meaning "Palm Flowing Strike"」: Matrona slams her palm on the ground, causing the earth to crumble.