Full feline feats with tweakage...
Feline Affinity
The goddess Bast, queen of cats, has touched you with power...
Prerequisites: Dex 13+, ability to use Least Invocations, worshiper of Bast, feline race or cat familiar.
Benefits:You suffer no damage from falls of 10 feet per class level or less. Balance, climb, jump, and tumble are class skills for you. You gain the Call of the Beast invocation for free, but only for use with felines. You must take it as a normal learned invocation to use it with other animals.
Special: You may only choose a feline familiar and lose all benefits if you offend Bast until you can atone for any infractions.
Nimble Cat
You gain the speed and agility of a cat.
Prerequisites: Feline Affinity, Dex 15+, cat familiar.
Benefits: You get a +10 rapid movement bonus to your speed and one extra attack of opportunity per round. You gain the Catwalk invocation for free.
Special: You may only choose a feline familiar and lose all benefits if you offend Bast until you can atone for any infractions.
Claws of Bast
You are Bast's weapon, armed to fight her enemies.
Prerequisites: Nimble cat, cat familiar.
Benefits: You grow claws like a cat, gaining natural claw attacks for 1d4 hp of damage each and receive a +2 bonus on climbing checks. You may use the Hideous Blows invocation with your claws attacks only even if you have not learned it, up to 3/day. You may retract or extend your claws at will.
Special: You may only choose a feline familiar and lose all benefits if you offend Bast until you can atone for any infractions.
Child of Bast
You find the spirit of Bast within you and learn to manifest it outwardly.
Prerequisites: Claws of Bast, cat familiar.
Benefits: You gain lowlight vision and a +2 bonus on all climb, jump, listen, and spot checks. You can polymorph into any feline creature up to one size larger or smaller than you for 1 round per 2 levels.
Special: You may only choose a feline familiar and lose all benefits if you offend Bast until you can atone for any infractions.