Are you sure that your opponent really hit you through a wall? Your opponent can run and attack at the same time, so it can happen that the attack animation starts during the walk/run animation and that could look like they attack you through a wall although it's perfectly fine pathfinding.

Are you sure that your opponent really hit you through a wall? Your opponent can run and attack at the same time, so it can happen that the attack animation starts during the walk/run animation and that could look like they attack you through a wall although it's perfectly fine pathfinding.

Likely what it is. Though it is fine pathfinding visually it just looks like you attack people through objects or from a longer range than 1 square.

Exactly, without this visual 'flaw' one could never follow and attack somebody. Thus the entire following system would be broken.