Lamia

Base Abilities

 * Ability Score: +2 STR +2 INT -2 CHA
 * Size: Medium
 * Speed: 20'

Traits

 * Strong Tail: Lamias have a +8 bonus to CMD against being tripped
 * Constrictor: Lamia get a +2 to CMB when attempting to grapple. Also, While a Lamia is grappling a creature, the target takes 1d6 + Strength modifier bludgeoning damage at the end their turn.
 * Scales: Lamias have a +1 natural armor bonus to AC
 * Natural Climber: Lamias have a climb speed of 20 feet, and gain the +8 racial bonus on Climb checks that a climb speed normally grants.
 * Cold-Blooded: Lamias take a -4 penalty to Fortitude save against environmental cold or spells with the Cold descriptor

Alternate Traits

 * Swimmer: Gain a 20' swim speed and a +8 bonus to swim checks — Replace 'Natural Climber'
 * Venomous: Gain a bite attack for 1d3 damage. A character bitten by a lamia become afflicted by Lamia poison. — Replace Constrictor
 * Slapping Tail: These Lamia have a tail they can use to make attacks of opportunity with a reach of 5 feet. The tail is a natural attack that deals 1d6 points of damage plus the user’s Strength modifier. In addition, they can make a trip attack as a free action that does not provoke attacks of opportunity. — Replaces Constrictor