Douluo: Becoming Stronger Starts with Eating Soul Beast Meat

Quan Yi, who has never read the Douluo novel, was reborn in Douluo Continent.
What is the essence of martial soul?
Is it true that innate soul power cannot be changed?
Without a cheat code and without knowing the plot, how far can Quan Yi go relying only on his own wisdom and perseverance?
If you are used to seeing the protagonist go to Shrek Academy, you can also come in and see the protagonist go to Blazing Academy.
Restore the real Douluo Continent
Martial Soul: Blazing Sun Gauntlet (Fire attribute ultimate weapon martial soul)
Martial Soul Talent: Fire-Free Fire Control
Innate Soul Power: Level 10