Starting as a pirate, he rose to become the strongest Shinigami in Soul Society.

One Piece world.
During the Battle of Marineford, Teach knelt on the execution platform and shouted to Newgate, "Dad, you've finally come! Save me!"
Bane, who possessed dark powers, watched the chaotic battlefield with interest and murmured, "Another hunt for abilities."
The struggle for supremacy in the new world has erupted, and in Fleet Admiral Sengoku's office, a naval vice admiral reports to him: "Admiral Bane has gone mad! He says he's going to create a new navy! Zephyr-sensei ran off with him!"
The world of ninjas.
Inside the Dragon Cave, Bane, holding the Pink Dragon Fruit, said to the White Snake Sage, "If you serve me well, I will grant you the method to transform into a dragon."
In Amegakure, amidst a torrential downpour, Bane looked at Pain and softly asked, "Rinnegan brat, what kind of god do you want to be?"
In the Pure Land, Death saw him fleeing in panic. He fled, and he pursued. In the end, Death was gone from the Pure Land, but the Spirit Lord of Dragon Land Cave was welcomed.
Transform the great power of the Pure Land to achieve supreme spiritual pressure.
In the world of Bleach, the first time I met Hana, I used the Planetary Devastation Technique to seal her away.
Yamamoto Genryusai said that all things in the universe are reduced to ashes.
That Bane is the only one who matters in heaven and earth!
Even Aizen secretly believed that he was not yet capable of sitting on that empty throne.
"Yhwach, even Aizen Sousuke and Yamamoto Genryusai address me as Spirit Lord. What is your status in standing before me?"