A hard shell protects the Pokémon from critical hits.

shell-armor

Heals status conditions if it’s raining.

hydration

Protects the Pokémon from things like sand, hail,
and powder.

overcoat

status

Physical damage, controlled by Attack and Defense

physical

Special damage, controlled by Special Attack and Special Defense

special

One specific move.  How this move is chosen depends upon on the move being used.

specific-move

One other Pokémon on the field, selected by the trainer.  Stolen moves reuse the same target.

selected-pokemon-me-first

ally

The user's side of the field.  Affects the user and its ally (if any).

users-field

Either the user or its ally, selected by the trainer.

user-or-ally

The opposing side of the field.  Affects opposing Pokémon.

opponents-field

user

One opposing Pokémon, selected at random.

random-opponent

all-other-pokemon

One other Pokémon on the field, selected by the trainer.

selected-pokemon

all-opponents

entire-field

user-and-allies

all-pokemon

all-allies

fainting-pokemon

normal

fighting

flying

poison

ground

rock

ghost

steel

fire

water

grass

electric

psychic

dragon

dark

fairy

unknown

shadow

It has a strange physiology that responds to
electricity. When together with Karrablast,
Shelmet evolves for some reason.

shelmet

Discarding its shell made it nimble. To keep
itself from dehydrating, it wraps its body in
bands of membrane.

accelgor

generation-v

A nutrient-draining attack. The user’s HP is restored
by half the damage taken by the target.

absorb

The user drains the target’s blood. The user’s HP is
restored by half the damage taken by the target.