Alvin saw the Old man looking at him with a set smile while he was sitting comfortably. He quickly greeted, "Craft Elder Lan."
"Hah, Come sit here, it's good to see you again so soon, Alvin!" Lan spoke in his husky voice with a smile on his wrinkled face and pointed at the closet chair with his old finger.
Alvin didn't reject and sat there with a mild smile on his face.
"How was the middle land?" Lan asked in a casual tone.
"Well, it wasn't a trash bin as they said in high-lands." Alvin chuckles with sarcasm.
Alvin and Sofia weren't from middle lands and they come here from the high-level lands just to find the Sky Stealer!
As for why that thief was so important to the organization only grand elders who also called the Flame Masters know.
Characters like Craft or Flame Elders just only know; that thief held very high importance to their organization anyhow.