Hail (move)

Effects

Hail creates a hailstorm that lasts for 5 turns and induces these additional effects:

• All Pokemon except Ice types and those with the Ice Body or Snow Cloak abilities lose ⅟16 of their max HP at the end of each turn.
• Pokemon with the Ice Body ability recover ⅟16 of their max HP each turn.
• Pokemon with the Snow Cloak ability increase their evasion by 20%.
• From Diamond/Pearl onward, Blizzard has 100% accuracy in hail, and has a 25% chance to break through Protect and Detect.
• The move Weather Ball changes to Ice type and doubles in power.
• The moves Synthesis, Morning Sun and Moonlight recover ¼ of the user's max HP (instead of ½ HP normally).
• Castform changes to its Hail form.

Machine

TM07 in Generation 3, 4, 5