Ocram's Razor

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Ocram's Razor
  • Ocram's Razor item sprite
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
TooltipSummons ???
'You really shouldn't'
RarityRarity level: 3
Research3 required
  • Internal Item ID: 5334 (Desktop, Console and Mobile versions)

Ocram's Razor is a boss-summoning item used to summon Mechdusa. It can only be crafted in a Get fixed boi world with the Mechanical Eye, Mechanical Worm, and Mechanical Skull.

This item has no function when brought to other worlds, and its tooltip will display 'It has no effect in this world' instead.



ResultIngredientsCrafting station
Ocram's RazorOcram's Razor(Desktop, Console and Mobile versions)Mythril AnvilMythril Anvil
Orichalcum AnvilOrichalcum Anvil


Achievement Like a Boss.png
Like a Boss • Obtain a boss-summoning item.
Obtain any boss-summoning item. (Desktop, Console and Mobile versions)


  • This item's name is a reference to Ocram, a boss exclusive to the Old-gen console version Old-gen console version and Nintendo 3DSNintendo 3DS version version of Terraria, and Occam's razor, a problem-solving principle which can be interpreted as "entities should not be multiplied beyond necessity," or more simply, "The simplest answer to a question is the most likely to be correct."
  • The chest-like appearance of the Ocram's Razor could also be a reference to Pandora's box, an artifact in ancient Greek mythology that unleashed curses upon the world when its owner, Pandora, opened it out of curiosity, leaving behind only the spirit of Hope.
  • Ocram's Razor is the only item to use other boss-summoning items in its recipe.