((If this is a character from the OVAs, I don't recognize her. XD; I tend to ignore the OVAs in terms of playing Lina so don't be offended if Lina's supposed to recognize her and doesn't.))
"A spell to reverse aging? That sounds like immortality research to me," Lina said, frowning. "That's illegal for a reason. Way too much wrongness down that path. Besides, be a skilled enough mage, and your aging will slow down."