Lauren Strum, code name Magma, is an exemplar-? and a fire manifestor with a fire aura and flaming scimitar. She's a member of STAR League and Ashley's mother. She married a banker's son. She was an important member of the Alphas the last two years of her attendance at Whateley, graduating around 1986.
She appears in the scene where the kids are sent off to Whateley.
She's mentioned as one of the reasons why Phoenixfire is trying to get into the Alphas.