C75 Mr Face Appeared Again!

Ding! Exchange system upgrade successful!

Exchange System

Level: 3

Ready to upgrade!

Next Level: 4! Survival points needed: 4,000.

Current exchange list:

Sand: 1 kg: 1 survival point!

Pure Iron: 1 kg: 10 survival points!

Titanium Alloy: 1 kg: 100 survival points!

Aluminum Alloy: 1 kg: 200 survival points!

Energy Stone: 1 unit: 500 survival points!

Nano Material: 1 kg: 1