In the next day, inside Mack's house.
"Did you gather all the material needed for the serums?"
"Yes, it was difficult to gather them, but I have all. Once I take your blood today, I will be able to create serums for the air element," said Art the alchemist, while disabling the device around his neck and showing his true face.
Since Mack and Harlack left the Centaur planet, this was the first time they met again.
"Excellent. I hope the trip was not too dangerous?" asked Mack out of politeness.
Art shook his head and said, "It was a piece of cake. The mages were more concerned with the revolts around Centaur than about searching for an old man like me."
"Good to know." said Mack, already extending his right arm.