Spell memorisation

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Spell memorisation is the process by which you learn spells from your spell library.

Spell Library

The spell library can be viewed by pressing M. You can gain spells by starting background, by picking up spell books, or through the gifts of certain gods (Vehumet, Kiku).

Once you're in the memorisation menu, press the letter of the spell in order to learn it. This takes a few turns (spell level + 1 turns), and is interrupted when you are attacked, so do it in a safe area.

You can search for spells the library with ctrl-F, and can switch between memorisation, checking descriptions, and hiding/showing spells you have no interest in with the ! key.

Restrictions

While any character may gain access to spells, the following restrictions apply:

  • You cannot memorise a spell whose level is higher than your experience level.
  • You can only memorise so many spell levels at a time - you only can learn up to 2 * Spellcasting + Experience Level - 1 levels of spells at a time.
    • If your spell level capacity is lowered (e.g. Ru sacrifice, removing Ashenzari curses), you'll keep all your spells, even if you would reach "negative" spell levels.
  • There is a hard limit of 21 spells.

In addition, you cannot physically memorize a spell if you are confused, berserk, or brainless.

Species restrictinos

Some species can't memorize certain spells, usually because they'd be useless:

Also note that memorising spells while worshipping Trog will trigger penance.

History

  • Prior to 0.26, spells gifted by Vehumet were not added into the player's library even when memorised.
  • Prior to 0.22, there was no spell library. Spellbooks were permanent objects, and spells had to be memorised directly from a book each time.
  • Prior to 0.12, your chance of success at memorising a spell was related to your chance to cast the same spell. Failing to memorise a spell had no effect, except from a Book of Annihilations, a Grand Grimoire or a Necronomicon. In these cases, you'd suffer a (likely high level) miscast effect from Conjurations, Summonings or Necromancy, respectively.