The Flash has just introduced a new weakness for Barry Allen. 1 / 7
It seems that the Monitor and the Anti-Monitor use a mysterious mineral called Eternium... 2 / 7
That is entirely resistant to Barry's speed and phasing powers. 3 / 7
It's important to remember that the heroes are about to plunge into the Crisis on Infinite Earths... 4 / 7
When they'll be caught up in the Multiversal war between the Monitor and the Anti-Monitor. 5 / 7
Now it's clear that one of Barry's greatest abilities will be useless against them... 6 / 7
Boding ill for Team Flash. 7 / 7