You Are What You Eat? I Ate the Evil Eye with My One Eye

The moment he opened his eyes, he was reborn in a labyrinth in another world, in a small, crippled body.

There was an eyeball ahead that wanted to eat him. How was he supposed to have any fun like this?

If it wanted to eat him, then it could get ready to be eaten instead.

Condition met. Acquired title: <Evil Eye Owner>.

Effect of the title <Evil Eye Owner> activated. Acquired skill: <Evil Eye>.

After he ate the eyeball, a heavenly voice rang in his ears.

This was another world where achievements and hard work could be converted into skills.

Proficiency reached the required level. Acquired skill: <Backstab Lv. 1>.

Proficiency reached the required level. Acquired skill: <Silence Lv. 1>.

Proficiency reached the required level. Acquired skill: <Arrogance>.

Condition met. Acquired title: <Arrogant Ruler>.

Condition met. Acquired title: <Demon King>.

??? I only got a skill, so how did I become the Demon King...?

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.