There is a separate lore skill for each path of magick.
Fire Lore and Water Lore are incompatible. So are Air Lore and Earth Lore as well as Black Magic Lore and Life Lore. If you study a lore which is incompatible with a lore you already know, you only get half the normal experience marks, i.e. 1 mark per week with a teacher and 1 mark per four weeks without.
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