Sung Jin - woo in Solo Leveling has the ability to level up, which significantly increases his stats and powers. He can also summon shadow soldiers, which is a very unique and powerful ability. As for Goto from the novel, since we don't know which novel he is from specifically, we can't really compare directly. But if Goto doesn't have the ability to create minions or rapidly increase his power like Sung Jin - woo, that would be a major difference.
Kraven's powers come from a mix of factors. He experiments on himself with special serums and constantly challenges himself in the wilderness to develop superhuman abilities like superior reflexes and acute perception.
Spiderman gets his powers after being bitten by a radioactive spider. This bite gives him enhanced strength, agility, the ability to climb walls, and a 'spider-sense'.
Miles gets his powers through a spider bite, just like Peter Parker. But the circumstances and specific effects of the bite might differ in some details.
Morbius acquires his powers through a scientific experiment gone wrong. A serum he developed intended to cure a disease ended up transforming him instead.
Well, Deadpool's powers came about when he was part of a messed-up experiment. His body was exposed to various chemicals and genetic manipulations that gave him his crazy powers like rapid healing and super strength.
Well, Deadpool's powers come from a botched Weapon X program. His body was subjected to various treatments and experiments that left him with enhanced healing, agility, and a whole bunch of other cool stuff. But it also messed with his appearance and mind.
The way Flash acquires his powers in the comics is often a result of a chance encounter with a complex set of circumstances. Usually, it involves a laboratory incident where he's exposed to a mixture of chemicals and a burst of lightning, granting him his speed powers.
One key element is their unique personalities. Sung Jin Woo's strength and his journey of becoming more powerful, combined with Cha Hae In's own skills and determination, make for an interesting dynamic. Another element is the adventure aspect. They often go on adventures together, facing various monsters or challenges which further develops their relationship.