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Sonic News Network
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A hard fibrous thorn removed for safety.

— Description, Sonic and the Black Knight[1]

The Plant Thorn (根のトゲ Ne no toge?) is a collectible item that appears in Sonic and the Black Knight.


The Plant Thorn is a curved thorn from flora. Accordingly, it is a hard and fibrous thorn that was removed for safety.


In gameplay, the player can collect the Plant Thorn during different Missions in certain areas. For then to obtain it, the player must use the ID points earned from completing the Mission where the Plant Thorn was picked up to identify it on the identification screen.


No. 171
ID Point Price 5
Rarity Level ★★★☆☆☆☆☆☆☆
Item Type Special item
Location Shrouded Forest


  1. Official in-game description of Plant Thorn in the Treasury, item 171/247.

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