You have drafted together blueprints for devices that can recreate the effects of a number spells that can be cast as rituals. These blueprints are contained in your R&D Guidebook, which you must have nearby and open when crafting one of them. These blueprints allow for single use applications of the "spells" but can be crafted with almost anything you have to hand or can find on your journey.
When you choose this feat, you acquire a R&D Guidebook, holding two Blueprints to 1st-level spells of your choice. Choose one of the following classes: bard, cleric, druid, sorcerer, warlock, or wizard. You must choose your spells from that class’s spell list, and the spells you choose must have the ritual tag. The class you choose also determines your spellcasting ability for these spells: Charisma for bard, sorcerer, or warlock; Wisdom for cleric or druid; or Intelligence for wizard.
If you come across a spell in written form, such as a magical spell scroll or a wizard’s spellbook, you might be able to draft new BLueprints for a device that will allow a single use replication of that spell and you can add it to your R&D Guidebook. The spell must be on the spell list for the class you chose, the spell’s level can be no higher than half your level (rounded up), and it must have the ritual tag. The process of Researching and Developing the BLueprints for the spell into your R&D Guidebook takes 2 hours per level of the spell, and costs 50 gp per level. The cost represents material components you expend as you Research and Develop the effects of the spell to design you Blueprints, as well as the materials wasted mastering the effects.
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