https://youtu.be/uSKcdnMK6BE?is=XkJpPO1Y0Fc7NTgEi do not understand what you are referring to with "whose spells you must learn first".
if it helps,
Ulfsild created some of the Grimoires in-universe, she was a witch in the First Era.
she was married to Shalidor, the ghost mage that we meet in the Mages Guild questline.
https://en.uesp.net/wiki/Lore:Ulfsild_the_Evergreen
i do not understand what you are referring to with "whose spells you must learn first".
if it helps,
Ulfsild created some of the Grimoires in-universe, she was a witch in the First Era.
she was married to Shalidor, the ghost mage that we meet in the Mages Guild questline.
https://en.uesp.net/wiki/Lore:Ulfsild_the_Evergreen
This was posted in the lore category, they’re not asking about how scribing works as a system. They’re asking what exactly are within grimoires in-universe.