The Frustrated Reverse-Flash

Yinsen glanced at Harrison Wells, whose face was full of "kindness," and gestured for Thea to go in first.

After two years of training, and after learning Yinsen's personality through their interactions, Thea knew he was definitely not the sort to yield to a "lady." Since he was letting her enter first, he was clearly on guard against Harrison Wells.

Though she did not understand what there was to fear from a scientist in a wheelchair, Thea had learned one thing: this world was far more complicated than she had once thought. Never underestimate anyone.

She stepped into the mysterious room. As the lights came on, Thea found that it was not large. She could see every corner at a glance. Aside from a cylinder standing in the middle of the room, whose purpose she could not fathom, there was nothing else inside.

From the footsteps, she could tell Yinsen was right behind her. Dr. Wells operated his automatic wheelchair and followed them in as well. When the door closed behind them, Thea turned, about to ask what they had come here to see.

At the instant she turned around, she sensed a strange energy fluctuation around her. Almost in the same second, a red flash appeared before her eyes. Then she saw Dr. Wells being held aloft by the throat in Yinsen's hand.

"Uh..."

"How... could this... be possible?"

Thea looked at Yinsen, who had one hand casually tucked into his pocket while using the other to grip Dr. Wells by the neck and hold him up. Dr. Wells stared at Yinsen in utter disbelief, with one or two red bolts of lightning occasionally flickering across his body.

"Speed Force?"

"More or less. Its source is just rather interesting."

Reverse-Flash's Speed Force came from Barry Allen. That was why