You have learned a number of spells that you can cast as ritual. These spells are written in a ritual book, which you must have in hand while casting one of them. When you choose this feat, you acquire a ritual book holding 1 1st-level spell of your choice. If you come across a spell in written form, such as a magical spell scroll or a spellbook, you might be able to add it to your ritual book. The spell’s level can be no higher than half your level (rounded up), and it must have the ritual tag. The process of copying the spell into your ritual book takes 2 hours per level of the spell, and costs 150 gp per level. The cost represents material components you expend as you experiment with the spell to master it, as well as the fine inks you need to record it. Because of your special training and ability to learn from any class you can only learn up to 13 Ritual Spells this way. If you are a spellcaster that has ritual casting, those spells don't count against your total number from this feat.
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