Superpower Battles

In my last life, my younger brother made a contract with an S-rank ghost, but it turned out to be completely useless, while I contracted a B-rank ghost, the Starving Ghost, which could not only devour monsters but also consume other awakened humans' ghost servants to evolve.
Under my protection, my family went from scavenging for scraps to living in a luxury mansion inside the government safe zone...

I gave Arthur a thousand years. A thousand years to secure his throne as God-King.

And on the day of our engagement ceremony, he announced he was marrying someone else.

In my past life, I bled myself dry for him.

He told me Lilith needed Seraphim blood to live. I believed him. He bound me to the Divine Punishment Pillar and carved open my chest, one cut at a time.

He massacred my entire clan, ...

When the apocalypse arrived, my girlfriend, driven by vanity, exposed my unlimited resource space and incited starving people to kill me and feed me to the zombies, while she herself stepped on my flesh and blood to become the "savior goddess".
But she didn't know that I mutated amidst the pile of corpses and awakened into the only zombie tyrant.
I corrupted the space, cut off food supplies, led a...

I retired for three years, restraining my edge, thinking compromise could bring peace.

But what I got in return was my sister's abduction, my family's estate seized, and my benefactor hanged from the city gates!

Even the Council turned a blind eye, mocking me as bottom-tier trash without even a shred of magic.

Since mortal reasoning won't work, then I'll shatter the rules of this world myself!