Rayquaza is weak to Ice , Rock , Dragon , and Fairy types. Its biggest weakness is Ice , which deals 4x damage.

In practice

  • Best attack type: Ice
  • Other strong options: Rock, Dragon, Fairy
  • Immune to: Ground

Simple example

If you’re battling Rayquaza, an Ice-type move like Ice Beam or Avalanche is usually the safest pick because it hits hardest.