Denji, a debt-ridden teen, merges with Pochita to become Chainsaw Man, battling devils in a chaotic world. It's a key part of the modern 'Dark Trio'.
Gon's quest to find his father reveals a harsh world beneath its adventurous facade, filled with danger, deception, and difficult choices.
The Elric brothers seek to restore their bodies after a failed alchemy experiment, embarking on an epic journey with profound sacrifices and mature themes.
Yusuke Urameshi, a delinquent, becomes a spirit detective after death, uncovering a brutal world. This classic proved shonen could be intense long before Jujutsu Kaisen.