Time Acceleration.

Yang Dao stood in front of the chamber belonging to the Supreme elder of the array hall, Elder Chime. He knocked on the door and a husky voice sounded from inside, "Come in." 

Yang Dao pushed the door and peeked his head inside, he saw that the elder was sitting behind a table with his hands moving in the void. He said, "Elder, I have a favor to ask of you." 

Chime raised his head and asked, "Dao, what is it?" 

"Elder, I wish to use the time acceleration array. It can help us save a lot of time and improve our skills significantly. So, I hope for you to cast one for us." stated the boy. 

Chime was surprised but then after giving it a thought the man found the request to be reasonable. He said, "I will have to discuss this with the rest of the council members, a time acceleration array consumes a lot of resources, I, alone cannot decide on this matter."