Bonus 

[Dark Essence detected in the host's body...]

[The host's body has a high affinity for the detected substance...]

[Beginning absorption and distribution of the bonuses to the host...]

The system notified Lothur a few minutes after he swallowed the liquid that was in the small triangular pyramid-shaped vial.

And not long after the first warnings, which Lothur did not see because his eyes were closed, the subsequent warnings were presented in the traditional system message boxes.

[Mortal Aura] [Rank: Iron]

[Progress: 91%]

...

[Progress: 95%]

...

[Bronze-grade darkness element resistance]

[Progress: 54%]

...

[Progress: 56%]

...

While Lothur was feeling the effects of the evolution of his skills, a strong dark aura was condensing over his body, making the crushed parts of the demon's body tremble.

It was unconscious, but the demon sensed something threatening was near it.