How did Urshifu hit my Obstagoon if I used Obstruct?

Question

https://replay.pokemonshowdown.com/gen8ou-1235220793

Answer 1

Unseen Fist (ability)
Effect
Contact moves can strike through Protect/Detect.

Urshifu's ability Unseen Fist lets it go through all protection moves (Protect, Detect, King's Shield, Obstruct), and it doesn't take any secondary effects from protection moves either.

Source

Hope this helps!

Comments

Didn't see this ability before. Thanks!

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Answer 2

This is because Urshifu has the Ability Unseen Fist. Unseen Fist bypasses Protect and the like moves along with their effects
Source: Experience