Magic fang - blessed weapon?

[gariig]

Under Magic Fang, what exactly does it mean when it says, "...the natural weapon is considered blessed, which means it has special effects on certain creatures."

What special effects, and what creatures?

 

[twjensen]

Under Magic Fang, what exactly does it mean when it says, "...the natural weapon is considered blessed, which means it has special effects on certain creatures."

What special effects, and what creatures?

Typically evil, undead sorts of things. The creature description in the MM usually gives rules for special vulnerabilities.