Where is the healing serum of cf mobile game to save hunters?

Random refresh. Crossing the Line of Fire: King of Gunfights is a first-person shooter mobile game jointly created and distributed by Korean Smilegate developer and tencent games's Mei Tian Studio Group. The serum of the redemption hunter will be refreshed anywhere on the map. Just wait until you can become a hunter and find it. The game was first tested in Hanbok on September 2 15, and officially launched in Hanbok on April 20 17.