Prec Strike Bug?

[Praga]

I think this was suppsoed to be a failed pstrike but it didnt.

You prepare to strike at A myrddraal, but briefly hesitate in fear as you see his eyeless gaze upon you!

HP:Healthy MV:Fresh - A myrddraal: Scratched>
+ - = % = - +
A myrddraal tries to slash your head, but misses.

HP:Healthy MV:Fresh - A myrddraal: Scratched>

*

[Fogel]

I couldn't replicate this. Post if it happens again.