Did Elminster's mage sight come from being reborn as a chosen, or did he have that before? Is there any _other_ way to get such a magic sight?
— Seer Snively (@SeerSnively) February 1, 2021
1)
Elminster’s mage sight came from his intimate contact with Mystra (see the closing pages of ELMINSTER: THE MAKING OF A MAGE); she changed him as she claimed him, to forge him into the Chosen she wanted him to be.
Anyone who…2)
…gets sufficiently attuned to the Weave can attain mage sight in this way; all of the Chosen, for instance, or anyone else I’ve dubbed a “Weavemaster” (to signal their attunement) gains it, but there are non-spellcasters in…#Realmslore— Ed Greenwood (@TheEdVerse) February 1, 2021
3)
…the Realms who gain it merely by handling or being in the close company of an artifact or magical radiations or a sufficiently-powerful magic item for long enough (e.g. children who’ve grown up wearing a powerful magic ring… 4)
…on a necklace as a “family talisman” slowly gain mage sight).#Realmslore— Ed Greenwood (@TheEdVerse) February 1, 2021