Global Survival: I Got the D-Rank Personnel Simulator

Then there was that newly appeared Unstable Zone Exploration Chest.

Opening the chest revealed a colorful crystal inside.

[Unstable Crystal]

[This is a crystal that can exhibit different properties in different regions]

[Note: It's best not to use it to make spiritual energy items]

"...Then what can I use it for?"

Lin Ye put away the crystal. This was the first time he'd seen this kind of material. He planned to study the transformation method of this crystal's properties when he had time.

After that, Lin Ye took out the black gem Ephesus had given him.

[Unknown Substance]