Number 52: Diamond Crab King
Rock / Xyz / Effect
EARTH / 
42 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card; change this card's DEF to 0, and if you do, change its ATK to 3000. These changes last until the end of this turn. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. If this card is attacked, change it to Attack Position at the end of the Damage Step if it has no Xyz Materials. You can only control 1 "Number 52: Diamond Crab King".
/3000
CARD ID: 07194917
STATUS TCG: Unlimited
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| TCG Set | Symbol | Rarity | Low | Avg | Trend | |
|---|---|---|---|---|---|---|
| Wing Raiders | WIRA-EN050 | Secret Rare | -,--€ | -,--€ | -,--€ | |
| Yu-Gi-Oh! ZEXAL Volume 6 promotional card | YZ06-EN001 | Ultra Rare | -,--€ | -,--€ | -,--€ |
This monster is based on the King Crab, a superfamily of cold-sea dwelling crustaceans known for their tasty meat. These organisms are also nicknamed Rock Crabs, which explains this monster's Type.
This monster has the highest DEF among Rank 4 Xyz Monsters.
This is the only Side-Unique Number monster.
This monster has the highest DEF among Rank 4 Xyz Monsters.
This is the only Side-Unique Number monster.
OCG Rulings
The "this card's DEF becomes 0, also this card's ATK becomes 3000." effect is an Ignition Effect. (This effect does not target. Detaching 1 Xyz Material from this card is a cost to activate this effect.): Number 52: Diamond Crab King
On the "this card's DEF becomes 0, also this card's ATK becomes 3000." effect, each effect is resolved simultaneously.
The "If this card attacks, it is changed to Defense Position at the end of the Battle Phase." effect and the "If this card is attacked while it has no Xyz Materials, change it to Attack Position at the end of the Damage Step." effect are Continuous Effects.