I think it's more the charging an ability while also using a passive ability to detect the onset of an attack while also carrying out a -very- difficult dodge, that's a lot of multi-tasking at this tier. That would definitely fuck up your concentration at the very least.

I didn't contest your first dodge simply because it was front-on, so you had far more time to react pre-emptively, where-as your character is only really reacting to the actual shot this time.