There's 'Dark Mistress' who can merge with shadows and travel through them. Her powers also allow her to create illusions using the darkness.
Well, one such hero could be 'Shadow Knight'. He has the ability to control and manipulate shadows, using them for both offense and defense.
You might consider 'Shade Strider'. He can turn into a shadow form, becoming intangible and moving at high speeds. His shadow powers also give him enhanced strength and the ability to sense nearby threats.
Chapter 471, "The Kingdom of Galandra Welcomes You", is the clearest early answer because it turns Damien's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The explosion had barely echoes when the others spotted Damien and... and follows through with The world inside smelled of food, life, and the breath of a city....
Chapter 477, "Demanding Half The Stakes", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter turns that into something concrete by moving from The courtyard was still echoing with disbelief over what had just... to Haldric waited a few meters away, arms crossed, lips twitching in....
Chapter 344, "Making Money", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is The crowd was still buzzing from the last match, half-drunk on..., but the pressure keeps building through Whispers rippled like waves across the courtyard—everyone talking.... Once the chapter lands on The fight stretched on, blades clashing with skin, boots scraping..., the chapter closes with Because no one suspects a man who walks away with nothing.
Chapter 507, "Good Work", is the clearest early answer because it turns Fenrir's situation into a concrete plot event. The setup is The forest did not frighten him nor did the darkness unsettle him., but the pressure keeps building through In fact, it seemed to motivate the Monstrous Wolf to hunt even better..
Chapter 510, "Are My Blows Really That Heavy?", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter turns that into something concrete by moving from Pain became the rhythm of the fight. to That's the trick." The demon snarled and charged again, furious now..
Chapter 235, "Do You Want Revenge?", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is Damien didn't acknowledge the woman at first., but the pressure keeps building through He ignored her completely, his focus shifting to the girl lying on....
Chapter 68, "Coal and Iron Mines", is the clearest early answer because it turns Leader Xia's situation into a concrete plot event. The setup is Over two hundred people began working together, and the once ravaged..., but the pressure keeps building through The scattered remains and limbs on the ground were all collected to....
Chapter 286, "Lost Battle II", is the clearest early answer because the buildup finally cashes out in a real clash. A useful checkpoint is the way the scene starts with Fenrir stood tall, his muscular frame shrouded in a thin layer of... and follows through with What now?" Damien stared at the distant horizon, where Velthorne lay....
Chapter 283, "Defending Westmont II", is the clearest early answer because it turns Raegon's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Seeing how things were going to turn out if he didn't take control of... and follows through with And soon, Raegon's entire force was caught in a two-sided massacre..
Chapter 452, "Ruins of Delwig II", is the clearest early answer because it turns Arielle's situation into a concrete plot event. Early on, Above them, the black column of energy thickened — piercing through.... By the end, After a few minutes, Arielle stirred.. Inside the broader exploration storyline, the chapter closes with "Damien… please, don't die., which gives exploration a stronger narrative position and pushes the power growth onward.