C1280 Group Upgrade

"There's more than one drop of grey in here..."

"One, two, three, four... There are a total of four drops! "

Sam Moreels walked forward and placed the four drops of Corpse Essence into a jade bottle. He couldn't help but show an expression of interest.

Sam Moreels thought to himself, then glanced at the zombies.

"Iron Wing, use one drop!"

Sam Moreels said to Iron Wings