system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter] Do spellcasting scrolls like those in D&D or The Elder Scrolls exist?

In D&D and TES, a magic user can make a scroll that basically acts as a one time free use of the spell - you use it, the spell fires, and the scroll is consumed. Does the wizarding world have a similar ability to make one-shot scrolls that let anyone that can read them able to use the spell in question? Like, if you wanted something powerful like a Patronus but never learned in school because you're not Harry Bleedin' Potter and not dealing with dementors on the daily, could you head down to the scroll shop on Diagon Alley and pick up a pre-made Patronus scroll?
gpt
It's unlikely, unlike TES or D&D having a wand is a pretty necessary catalyst for spellcasting in Harry Potter (for most people, anyway). There are probably ways to make potions or enchantments that simulate the greater effects of a spell, but  most actual casting seems to have a manual component to it that a scroll wouldn't be able to replicate.