Here is a list of the
skill aptitudes of all of the races in Crawl. The numbers represent
the difficulty of learning each skill (ie the relative amounts of
experience required to advance in that skill). A value of 150 thus
means that the skill is 50% harder to learn than one with a value
Note that Spellcasting is 30% harder than shown (always), and Invocations
is 30% easier than shown.