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A Yellow Yoshi using a Chomp Rock to destroy the thorns in Yoshi's New Island
“Do not touch the thorns. They will knock you out! You can destroy the thorns by hitting them with eggs.”
Message Block in The Potted Ghost's Castle, Super Mario World 2: Yoshi's Island

Thorns, also referred to as crystals,[1] spike blocks,[2] or simply spikes,[3] are spiky obstacles found in Super Mario World 2: Yoshi's Island (and its reissue), Yoshi's Island DS, and Yoshi's New Island. They are found mostly in castles. If a Yoshi touches a thorn, he will immediately lose a life. A Yoshi Egg destroys a single thorn, but since thorns are found usually in groups and a Yoshi can carry only six Yoshi Eggs at a time, most thorn groups are impossible to destroy. However, in Yoshi's Island DS, Baby Donkey Kong's explosive eggs can easily destroy a group of them in one shot. Sometimes, after they are destroyed, the thorns reveal Winged Clouds, and in The Potted Ghost's Castle, one specific thorn reveals even a door.


Names in other languages[edit]

Language Name Meaning
Japanese トゲトゲ
Toge Iwa
Toge Burokku
A Japanese term meaning "spiky"; shared with an object from Wario Land 4

Spike Rock


Spike Block
Italian Aculei Thorns


  1. ^ Williams, Drew. Yoshi's Island: Super Mario Advance 3 Player's Guide. Page 51.
  2. ^ Williams, Drew. Yoshi's Island DS Player's Guide. Page 30.
  3. ^ Black, Fletcher. Yoshi's Island DS PRIMA Official Game Guide. Page 74.
  4. ^ 「任天堂公式ガイドブック ヨッシーアイランドDS」 (Nintendo Kōshiki Guidebook - Yoshi's Island DS), page 51.
  5. ^ 「任天堂公式ガイドブック ヨッシー New アイランド」 (Nintendo Kōshiki Guidebook – Yoshi's New Island), page 106.
  6. ^ 「任天堂公式ガイドブック ヨッシー New アイランド」 (Nintendo Kōshiki Guidebook – Yoshi's New Island), page 174.