26 EVOLUTION!

...

After dealing with Dren, Noir and Lina walked to a underground room under the Arena. 

The room wasn't that luxurious as compared to Noir's Villa, yet it would work for the reason Noir came this far.

This room is a made of a special Material known as Lantite, Mostly used by various guilds in Orion to create a Isolated chamber for meetings.

It also has a special hidden function to increase the potential of a individual if he/she evolved in it.

It was discovered by Noir when he was in middle of his research of Miracle Drug.

...

Click!

Noir took out a bottle of Miracle drug from his storage ring.

"Lina, stay out for watch."

"As you wish, President."

Lina walked away, decisively, hearing the order of Noir. 

She closed the door and stood firmly outside the door as she wasn't concerned about what Noir is going to do inside.