Lord of calamity

Before humanity turned to dust after the strongest abyss monarch "Arhat, the lord of magic" destroyed it with his magic. Freddy Verdance, the last standing of the last resistance had died.

However

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⟨⟨==The God of Sacrifice offers you a change==⟩⟩
⟨⟨==The God of Sacrifice offers regression in exchange for your soul==⟩⟩
⟨⟨==Your soul answers for you==⟩⟩
⟨⟨==Your soul desires revenge and accepts the sacrifice for regression in exchange==⟩⟩
⟨⟨==The God of Sacrifice will watch over you, now with the new "Sacrifice" function in your regression==⟩⟩
⟨⟨==Good luck in your regression==⟩⟩
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***

It was strange.

Because I felt alive.

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⟨⟨==Congratulations, you just woke up your class==⟩⟩
⟨⟨==Now you can see the system==⟩⟩
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Something really unexpected just happened and Freddy opened his eyes.

And a message had appeared before him when he opened his eyes.

Because he had returned to the past thanks to a strange entity....