Sudden Strike will be rename to just Strike.

It will lose its accuracy effect, and its cooldown will be reduced to 1. I feel this is fair for 40 damage when the cap is 80.

No. Just... No. Caps are just the maximum. CD is still based on damage/20 formula.
Very well.

Cooldown 4, +60 damage, accuracy effect remains, name changes to Strike.

Doesn't stack on multihits and you got a deal.
It already didn't.