How did Psychic hit my Tyranitar?

Question

I was in a OU battle and a Medicham used Psychic on my Tyranitar and OHKOed me, but Psychic types can't hit Dark types? Just like Normal against Ghost.
Am I missing something?

Comments

If it's on Showdown, it's liable to be a glitch. I've had stuff like that happen before (e.g. Earthquake hitting something w/ levitate when there was nothing on the field to make that happen).

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There is always a reason xD
When there aren't = glitch.

Answer 1

I could come up with two explanations or this:

• A Pokemon came in earlier, used Miracle Eye, switched into Medicham
• You were tricked a Ring Target onto
• Your typing was changed prior, with moves like Soak

Option 2 is a likely choice, although rare (not nearly as rare as Psychic Medicham though).

Hope I helped!

Comments

I have a feeling  I'm missing something though...

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Rare to see a Psychic Medicham, also vs a Tyranitar, fighting moves would do much but my Tyranitar has ''yellow'' HP.

Answer 2

miracle eye

Allows psychic types moves to hit dark types

Comments

In Bulbapedia -> Miracle Eye removes a Dark-type Pokémon's immunity to Psychic-type attacks and restores the target's evasion stat to normal. It cannot miss unless the target is in the semi-invulnerable state.
So it may be the reason how that hit my Tyranitar.
Thanks!

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Only problem is that Medicham doesn't learn Miracle Eye, and that's what kept me :/