first magi...

[ChrundleTheGreat]

who were they and how they came to developh a conoction to magic?

[gnombat]

There is a bit of information (not much) about this in The Rise of Wesnoth:

"Yes, Lich Point! Where we first used our magi in battle ..."

"This monolith was erected by me, ― (chipped away), First Mage of the good people of the Green Isle ..."