The spoilers at the end of a manhwa can be all kinds of things. Maybe a character's fate changes dramatically, or a long-hidden secret is revealed. But without knowing the specific manhwa, it's hard to give exact details.
It's often a combination of cultural influences and artistic innovation. Manhwa art styles can draw from traditional Korean aesthetics while also incorporating modern trends to create a unique look.
To become a god in manhwa, usually one needs to overcome numerous challenges, gain rare treasures or powers, and have a unique destiny or calling. It's not an easy path!
Becoming a god in manhwa can be a complex journey. It could involve obtaining rare artifacts or blessings, forging alliances with powerful beings, and demonstrating unwavering determination and a sense of justice.
In manhwa, to be an alpha, you have to be decisive, have good physical strength and intelligence. You should stand out among others and be respected for your abilities and personality.