SRD
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Knights' strike with a curse at a developed level, alt. - the strike is like Uzombok's - I agree.
I repeat - the deadly strike used to be available to players once in a hundred years, and it was still powerful (here's a bonus for the -20 damage against 40 Black Dragons). I suggest (giving the ability so that it's not completely lost) giving the deadly strike to neutral dragons now, and if they are raised through necromancy, increase the cost of dark energy, and then they can even be given incorporeality (I'm still talking about dragons) - Sorry for writing this for the hundredth time, but no one has commented.