Swordkil is a middle-aged man with lightly tanned skin, thin honey brown eyes and a long face. He has shoulder-length hair of a desaturated pink-like color that flares outwards to the sides, with shorter bangs between and to the sides of his eyes. He also has curved, linear markings under his eyes and down his cheek which are a dark shade of purplish-pink.
Like the rest of Wolfram’s minions, Swordkil dresses in a black combat suit, complete with a full-face mask, a paler X-shaped design patterning it over his face.
Swordkil appears to be a dedicated mercenary who is loyal to Wolfram. He takes no prisoners, is quick to threaten and hates people who "play hero". He is very arrogant and doesn't like to be looked down upon. Swordkil doesn't appreciate taking orders from anyone other than Wolfram but is quick to boss around the other minions.
Swordkil is present alongside all of Wolfram's men when they sneak into I-Island. After setting their plan into motion, Swordkil and the others restrain the security guards and take over the Central Tower control room. They follow Wolfram's orders and turn I-Island's security on its citizens, tourists, and Pro Heroes.
After disrupting the I-Expo Reception Party, Swordkil escorts David and his assistant, Samuel Abraham to the control room. Swordkil activates his Quirk and turns his blade to David's neck. He tells the professor to hurry up and retrieve the item. Soon after, Wolfram's group learns there is a group of students ascending the tower.
Wolfram and his men take several countermeasures against the students but they continue to scale the tower. Swordkil and another one of the minions monitor the students' progress through the tower. Once Izuku and Melissa reach the top floor, Wolfram orders Swordkil to take them out.
Swordkil ambushes Izuku and knocks him off the edge of the building. Melissa stops the villain from killing Izuku but he smacks her away. He takes a moment to brag, giving Izuku enough time to land a powerful blow to knock Swordkil out. 
Unnamed Sword Quirk: Swordkil's Quirk grants him the ability to cover his forearms in collapsible, cone-shaped blades. When activated, Swordkil's power can cover his arms instantly, allowing him to arm himself at a moments notice.