Man that sucks. I just turned 30 myself December 24th. She sounds like an amazing friend and I'm sorry for your loss. Maybe have Fray redeem herself in the story somehow. A turn to the light would symbolize her darkness turning to the light. Darkness doesn't necessarily mean evil after all. She will be missed.
In the lore Richter was the most powerful Belmont in the Bloodline. I'm not sure about Julius but Richter had the best moveset in the games when Symphony came to Playstation. In Portrait of Ruin you literally fight a memory of Richter for control of the Vampire Killer.