Spellcasting focus

In dNetHack, notdNetHack, and notdNetHack, a spellcasting focus is an item that can decrease the hero's spellcasting failure rate while they wield it.

Description

There are generally two types of spellcasting focus items:

• "Mundane" focuses are based on specific items or item types, usually improve the success rate of spells from specific spell schools, and can include artifacts with matching base items.
• Artifacts that usually improve the success rate of multiple spell types, but may also have more specific restrictions.

A user has suggested improving this page or section as follows:

"Describe the formula for failure rate reduction, including specific math if necessary."

List of item-based focuses

• Khakkhara: improves the success rate of clerical and healing spells, and improves the success rate of all spells for Priests and Monks
• Bell: improves the success rate of clerical and healing spells, and improves the success rate of all spells for Priests
• Scalpel: improves the success rate of healing spells.
• Crystal ball: improves the success rate of divination spells.
• Quarterstaff: improves the success rate of attack spells.
• Shepherd's crook: improves the success rate of enchantment spells.
• Athame: improves the success rate of attack and enchantment spells.
• Wand: improves the success rate of all spells for Wizards.
• Effigy: improves the success rate of all spells for Priests.

List of artifact focuses

• Four artifacts improve the success rate of all spells unconditionally:
  • The Tentacle Rod
  • Aryfaern Kerym
  • Profaned Greatscythe
  • The Garnet Rod
• The Death-Spear of Vhaerun improves the success rate of attack spells, but only for drow characters that began the game as males.
• Callandor improves the success rate of all spells, but only for characters that began the game as males.

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