Why is Giratina affected by hail when using shadow force?

Question

It disappears, so how is this possible?

Answer 1

It's disappeared, not intangible!

Disappeared:
Not able to be seen. Like Invisible Ink

Intangible:
Not able to be touched. Like a ghost.

Giratina using Shadow Force becomes Disappeared. Plus it can't avoid the hail because hail affects the whole stadium.

Comments

Although it is technically a ghost.

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But in real life, shadow force makes Giratina to go to another dimension
Also in real life, I don't think many pokemon can get damaged by hail

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Its like if a pokemon were to use dig and another pokemon uses earthquake. still affect then