In comics book over the years Diana as been written as even greatly weak by piercing weapons or Ignore the impact. But one thing as not change that it can't penetrate her muscule tissues. How durably should she be? Like almost durably where she can get hit by a bullet and it pops out when she heals or be greatly weak. Your thoughts .

she should be as durable as she has always been,able to take superman level hits,able to take goods,and celestial beings energy attacks,able to take green lanters beams,flash hits,heat vision hotter than the sun etc,and her vulnerability to piercing weapons shouldn't exist anymore,it's pointless.

So basically she should be invulnerabilty ?

Too much durability and enemies lose credible threat. I think a bullet should be a credible threat to her. Also, if bullets bounced off of her then she wouldn't get a chance to block them with her signature bracelets.

@UsagiTsukino: yes,she has invulnerability,she only has a vulnerability against piercing weapons,like superman has a vulnerability to magic,she shouldn't have the vulnerability against piercing weapons,she can have other situations where she can use the bracelets,her durability must be high against everything,because she always fight powerful opponents.

@fodigg: bullets will never be a threat to her even if they can hurt her,because she can still deal with them easily even in her worst day,so bullets and piercing weapons shouldn't be able to hurt her,she is way too powerful to be hurt by that,she shouldn't have the vulnerability against piercing weapons,she can have other situations where she can use the bracelets,her durability must be high against everything,because she always fight powerful opponents,opponents way,way....more powerful than bullets and all that,so her durability must be consistent and high against everything,there will always be other situtions to use the bracelets.

So something like this

Weakness: bullets and sharp object can harm but very little . If of magical origin the bullets or sharp objects can wound her severely or even kill her.