| Attribute | EARTH |
|---|---|
| Type | Rock, Effect |
| Level | ★4 |
| ATK | 0 |
| DEF | 2000 |
When this card is Normal Summoned: You can change this card to Defense Position, and if you do, inflict 250 damage to your opponent. If this card is destroyed by battle or sent to the GY by a card effect: You can add 1 Level 8 Rock monster from your Deck to your hand, or, if "Fossil Fusion" is in your GY, you can Special Summon it instead, also, in either case, you cannot activate cards, or the effects of cards, with the same name as that card for the rest of this turn. You can only use this effect of "Shell Knight" once per turn.
| Pack | -- |
| Level-up reward | -- |
| Victory against | -- |
| Card trader | -- |
| Other | Fossil Dragon Resurrects! Jim "Crocodile" Cook Unlock Event [SR] |
| Rating | B |
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| Duel Links forums | |
|---|---|
 General discussion |  Vagabond trade |
 Deck advice |  Duel room |
| Duel / Level rewards | |
|---|---|
 Level rewards |  Duel rewards |
| Skill pages | |
 Skill database |  How to get drop skills |
| Card Trader | Ranked Rewards |
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 Card Trader |  Ranked Rewards |
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 Cards you should trade |  How to beat the Vegabond |  How to solve Duel Quizes |
| Standard Duelists | ||
|---|---|---|
| Lvl 14 | Lvl 20 | Lvl 27 |
| Lvl 33 | Lvl 39 | Lvl 45 |
| Lvl 51 | Lvl 57 | - |
| Legendary Duelists | ||
| Lvl 30 (DM) | Lvl 30 (GX) | Lvl 30 (5D's) |
