[s6e14] Death Of The Speed Force Link

The tragedy of this episode lies in the source of the decay. It wasn't a villain or a cosmic accident—it was .

He realizes the Speed Force is "sick" and returns to Central City to confront Barry. [S6E14] Death of the Speed Force

Barry decides he must build his own Speed Force, similar to how Eobard Thawne created the Negative Speed Force. The tragedy of this episode lies in the source of the decay