C273 Killing the Sea Monsters
The Intelligent Chariot said, "I can create four suckers and attach them to the turtle shell, but I need to upgrade the suckers first."
"How many energy stones do you need to upgrade the suckers?" Su Chen's eyes lit up.
"I need 20 Level 2 energy stone to level up the suckers."
What Su Chen didn't lack the most right now was energy stone. He had a lot of Level 2 energy stone.
After that