The Eye of Skeletron

The Eye of Skeletron is a Hardmode Yo-Yo and is one of the best Yo-Yos in the game, can kill the dungeon guardian in 1 Hit

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It is dropped from Eye of Skeletron and Skele-Skull it has a 430 Power Points and Infinite Swinging and Destroys Pre-Hardmode Ores in Contact also inflicts Blackout and Skull Crushed

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Used in Skeletron's War Hand