"Yes, this primitive stuff shouldn't really be called cement, because it was even afraid of water. But our lord improved its formula, and now the new cement can even set underwater. You understand what a great invention that is, don't you?"
"Set underwater?"
The two men gaped at each other in disbelief. Cement, cement—in their imagination, it was closer to some kind of mud. But what kind of mud could set underwater?
Chloe was somewhat lost in thought as well. Theus had invited her to join him when he mixed the new cement, and she had even stirred the cement herself, getting dust all over her body. She had complained about it for quite a while.
But before long, she could no longer complain.
That morning, she had poured cement into a stone pier. When Theus took her to see it that afternoon, it had already become rock-hard. A few days later, even when she swung a sledgehammer with all her strength, she had only managed to crack it.
She might not have excelled in strength, but she was still a Transcendent. Even a casually poured stone pier had such strength—if they truly used this to build a fortress as Theus had said...
Chloe swallowed. They had merely added some volcanic ash to Rhine cement, yet its strength had increased so much and its properties had changed completely.
Theus had called it chemistry. Chemistry—Chloe remembered that word. Could chemistry really be so miraculous?
Ah, she really wanted to go back to the advanced class for another couple of lessons. The thought of having new knowledge to learn filled Chloe with excitement. She had not worked with Theus for very long, yet she was already completely addicted.
Every day here, she heard new theories and learned new knowledge. Theus was like