Water type changes, generation by generation
Water has kept its familiar chart role, but the generation around that role changed what a Water move or Water Pokémon meant.
- Generation I: Water attacks were part of the original chart, and Water had no ability-based exceptions.
- Generation II: Dark and Steel entered the chart, while the special category still controlled Water attacks such as Surf and Hydro Pump.
- Generation III: Abilities introduced matchup exceptions such as Water Absorb, so a Water immunity could belong to an ability rather than a type.
- Generation IV: The physical/special split made moves such as Waterfall physical while Surf remained special, without changing Water's type effectiveness row.
- Generation VI onward: Fairy joined the chart as a neutral Water target, while abilities and regional forms continued to change practical answers.
Reading a Water matchup therefore requires both the generation and the move category, not only the Water label.