"Abilities are a game mechanic introduced in Generation III. Individual Pokémon may have only one of these special attributes at a time, which generally serve to assist them in battle." (From Bulbapedia - because I'm too lazy to come up with my own words)
What do you think of this game mechanic in general? Do you think this was a crucial addition to the Pokemon gaming?
What do you think of this game mechanic in general? Do you think this was a crucial addition to the Pokemon gaming?