Anivia's Crystalize wall seems to have aged poorly with mobility creep. Could it get Dash blocking?

Though having an ability that got worse with mobility creep is hardly exclusive to Anivia and she has a good deal of burst damage, I think she would be more satisfying and balanced to play were Crystalize more consistent.

Against any champion with a dash, it is almost useless for setting up plays and as a defensive measure, since it only works after they have used their dash and only if their flash is on cooldown.

It is still very useful against many immobile champions, but they are often either not picked as often or durable enough to weather her combo in a team fight.

Though she might need to lose power in other areas if it put her over the top, I think that giving it dash blocking like Poppy's W and Azir's ult would be a proper update for it given the current state of the game.

This would mean that dashes would cancel when trying to move through the wall, though non-dash movement effects like flash would still pass through it.

The wall at lvl 1 is rather tiny, so a champion looking to escape with a dash would only need to walk a short distance to have a clear dash away from Anivia.

If nothing else this may give some incentive to level the wall sooner.