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[F][C] Rumble: 30
The Defending Pokémon can’t retreat during your opponent’s next turn.
[F][F][C] Geostrike: 120
This attack does 10 damage to each of your Benched Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)
weakness: [G]×2
resistance:
retreat: 2
Illus. 5ban Graphics
XY Promos — XY129 — Promo
It’s hypothesized that it’s monitoring those those who destroy the ecosystem from deep in the cave where it lives.