Acrobatics
You never take fall damage, no matter from which height you fall.
Strong Ankles
You are able to jump higher by jumping while sprinting.
Velvet Paws
Your footsteps don't cause any vibrations which could otherwise be picked up by nearby lifeforms.
Nine Lives
You have 1 less heart of health than humans.
Weak Arms
When not under the effect of a strength potion, you are much slower when mining all blocks.
Catlike Appearance
Creepers are scared of you and will only explode if you attack them first.
Nocturnal
You can slightly see in the dark, but less so under water.
Carnivore
Your diet is restricted to meat, you can't eat vegetables.