I haven't seen this posted, so I'm not sure how well known this is. There are 3 champs that can bypass the dreaded auto block parry in AW without the use of true strike or true accuracy.
Domino - start a combo with a medium attack.
https://youtu.be/UsT8uAY-Kfo
IMIW - start a combo with a light then medium
https://youtu.be/g5xg72A9idY
Yondu - plain old MLLLM
https://youtu.be/0q9mjtjXmXI
I found Yondu to be the easiest and most effective.