Not So Useless

"Is this a crystal just like those protected by the ancient knights?" Arthur tilted his head in confusion. He examined the crystal and injected it with more mana. Suddenly, the crystal turned elastic and he was able to stretch. 

The moment he stopped injecting it with mana, Arthur found that it stopped stretched and assumed a solid shape. The elasticity of the crystal was extremely unrealistic as Arthur was able to stretch it for two meters. 

"What do I exactly do with this?" Arthur was confused. "Is it resistant to acid?" He wondered. He guessed he can probably make a raft out of this of a small boat. 

"It seems Jerano College has chosen to raise the bar for this test." Arthur shook his head. The sandman was handled by him because he could counter it. For others, however, it would extremely difficult to do so.