Inaccurate?

Improved Natural Armor

( Monster Manual v.3.5, p. 304)

[General]

The creature's natural armor is thicker and harder than that of others of its kind.

Prerequisite

Con 13, Natural armor,

Benefit

The creature's natural armor bonus increases by 1.

Special

A creature can gain this feat multiple times. Each time the creature takes the feat, its natural armor bonus increases by another point

Also appears in

  1. Monster Manual III
  2. Races of Faerun