Enumeration MoveFlags

Indicates a move should be affected by Abilities.BULLETPROOF

Enables all hits of a multi-hit move to be accuracy checked individually

Indicates a move should trigger Abilities.DANCER

Indicates a move is able to bypass its target's Substitute (if the target has one)

Grass types and pokemon with Abilities.OVERCOAT are immune to powder moves

Indicates a move should be affected by Abilities.RECKLESS

Indicates a move is able to be redirected to allies in a double battle if the attacker faints

Indicates a move is able to be reflected by Abilities.MAGIC_BOUNCE and Moves.MAGIC_COAT

Sound-based moves have the following effects:

• Pokemon with the Abilities.SOUNDPROOF Soundproof Ability are unaffected by other Pokemon's sound-based moves.
• Pokemon affected by Moves.THROAT_CHOP Throat Chop cannot use sound-based moves for two turns.
• Sound-based moves used by a Pokemon with Abilities.LIQUID_VOICE Liquid Voice become Water-type moves.
• Sound-based moves used by a Pokemon with Abilities.PUNK_ROCK Punk Rock are boosted by 30%. Pokemon with Punk Rock also take half damage from sound-based moves.
• All sound-based moves (except Howl) can hit Pokemon behind an active Moves.SUBSTITUTE Substitute.

cf https://bulbapedia.bulbagarden.net/wiki/Sound-based_move

Indicates a move should trigger Abilities.TRIAGE

Indicates a move should trigger Abilities.WIND_RIDER