Essence of Rage
From Pikipedia, the Pikmin wiki
The Essence of Rage (ココロナシカ?, lit.: "Heartfelt") is a treasure found in the game Pikmin 2. This treasure is actually a ruby mounted on a silver circle, possibly serving as a brooch. It is one of two treasures buried on the first sublevel of the Frontier Cavern. Be cautious of the sleeping Hairy Bulborbs and tiny Snow Bulborbs in the area while transporting this treasure.
“This crimson jewel was found in a hole deep below the icy surface. When viewed from a distance, the gem's dazzling red sparkle looks like a dancing flame. Of course, the dancing flames may just be a symptom of acute hypothermia.”
“The sight of this may warm you when you are cold, a lovely side effect of this valuable treasure.”
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