|“Whoa, I feel . . . different. Like, like, I can punch through . . . anything.”|
|— Cole, "Day of the Departed"|
The Earth Punch (also known as Lava Arm) is a special ability that Cole was able to unlock from his RX powers during Day of the Departed. When active, Cole's hands will glow bright orange, his arms will have orange magma running up them, and his scar will reappear and glow orange.
- Supernatural Strength - Gives the user superhuman strength, allowing the user to destroy most things with one punch. If the user is inexperienced, they may not be able to control it. Back in Season 7, Cole could activate his Earth Punch by using his mind. Later in Season 8, He can now activate his Earth Punch ability by punching his fists together.
During Cole's fight with Master Yang, Cole managed to gain vigor and courage once his friends arrived to try and help him. After knocking Yang back, Cole unlocks his Earth Punch powers. Dodging Yang once again, Cole is then able to smash the Yin Blade into pieces with his Earth Punch, freeing Yang's students from their imprisonment.
Cole later uses the Earth Punch several times during the Ninja's fight with Acronix at the Monastery of Spinjitzu, and even uses them to grab and help up Master Wu before he fell to his death.
While fighting a Vermillion warrior outside the Borg Store, Cole uses his Earth Punch to shatter the warrior into its component snakes. Horrified about this, Cole says it was an accident before watching the Vermillion warrior reshape itself back to normal.
On the way to help Kai and the museum, Cole and Jay bail from the Ultra Stealth Raider to rescue several people being escorted away by several Vermillion warriors. While Jay wishes that the rest of the team was here, Cole introduces his hands to him, introducing them as "righty" and "lefty." However, while using his punch to try and fight the Vermillion, Cole's hands began to become out of his control, making him unwillingly damage some of the nearby areas and allowing the Vermillion to escape with their prisoners.
While training with Jay at the Temple of Airjitzu, Cole, angered by Jay's silly conspiracies on where the people went, uses his Earth Punch to ground-pound the ground, knocking Jay back and causing the floating piece of land that the temple was on to slightly move.
When Lloyd asks if Cole has his Earth Punch under control, Cole says he has before beginning to punch the air with his hands before accidentally punching a hole in a wall, which reveals Krux's secret breeding laboratory.
After Cole and Jay blow their cover after rescuing the workers, Cole uses his Earth Punch to clear a path to help escape. He also uses the Earth Punch to knock back a Vermillion warrior while defending the exit of the Vermillion Swamps.
Because of the design changes, Cole's Earth Punch was slightly changed. When active, it recreates an orange version of the scar he previously had. It also leaves behind a magma trail whenever Cole uses Spinjitzu while his punch is active.
While training with the other Ninja in the Royal Palace, Cole helps encourage Lloyd to "be tough" when asking out Harumi by demonstrating his Earth Punch and using his Spinjitzu with the Earth Punch.
Cole attempts to use his Earth Punch to open his cell, but he cannot due to it being made of Vengestone, causing him to injure himself.
Cole uses his Earth Punch to break the door to free him and the others after it was locked by Lloyd on the Destiny's Bounty.
Cole used his Earth Punch to close a cave to save Wu and himself from Stormbringer.
Cole used his Earth Punch to help barricade the door from the Oni.
Cole used his Earth Punch during training with Master Wu but failed since he has been lazy lately.
When Cole was about to be attacked by one of the giant beetles, he used his Earth Punch to stop it.
Cole used his Earth Punch to lift up a pillar while he and the others were exploring in the Ancient Pyramid.
Cole used his Earth Punch to move an obstacle in order to escape the Ancient Pyramid from the Lava.
Before they were getting to battle the Pyro Vipers, Cole helps encourage the others for their battle by demonstrating his Earth Punch to show how determined he is.
Cole uses Earth Punch to save Boma and Uthaug from falling off the mountain.
In "Day of the Departed" and Season 7, Cole's hands and the outer side of his arms would develop a bright orange magma appearance that would follow from his hands to his shoulders, as well as the scar on his head. Since season 8, the color has changed to more of a bright yellow rather than orange.
- Vengestone and Ice corrupted by a Scroll of Forbidden Spinjitzu are the only things that the Earth Punch can't break.
- Besides Cole, it's currently unknown if other Masters of Earth unlocked their Earth Punch.