[Aggelos]

Or maybe, as we are playing around the light vs darkness theme, Elyos evolve into a Light class and Asmodians into a Dark version of it, I mean, if you choose Asmodians probably you like the Dark lore, so, for instance, Elyos SM evolves to Elemental Master, using the four elements to summon and white magic, and the Asmo SM evolves into Necromancer, with undead minions and black magic.

The same could apply to Templars, Elyos evolves into a Paladin, a self-sacrifice/healing Tank, and the Asmo evolves into something like L2's Dark Avenger or Shillien Knight, with blood sucking spells, bleeds and stuns, vampire cubics, etc.

That way we don't have balancing problems (cause we aren't adding new classes, just making them unique for each lore).