I made my own ability up! Surprise!
Mental
When this Pokemon has 1/3 or less of its max HP, its Psychic attacks do 1.5x damage.
Lethargic
This Pokemon's Speed is lowered 1 stage, while its Defense and Special Defense is raised 1 stage at the end of each full turn on the field.
Bloodlust
When this Pokemon has 1/3 or less of its max HP, its Crimson (PKMN Type I made up) attacks do 1.5x damage.
Carpenter
This Pokemon's Grass-type & Bug-type attacks have their power multiplied by 1.3.