Any damage done to Crawdaunt by your opponent's attacks is reduced by 10 for each Darkness Energy attached to Crawdaunt (after applying Weakness and Resistance). You can't reduce more than 20 damage in this way.
Attacks
20Bubblebeam
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
40+Cross-Cut
If the Defending Pokémon is an Evolved Pokémon, this attack does 40 damage plus 20 more damage.
How much is Crawdaunt #6/107 worth?
Right now (November 5, 2026) the going rate for an ungraded Crawdaunt #6/107 from Deoxys is about $10.67. Across the 3 printings we track, copies run anywhere from $17.30 to $499.08 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $1,325.00, roughly 124.2x the raw price, while a PSA 9 sits near $64.50. 186 copies have been graded to date, and 10% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Crawdaunt has moved over time.