Yeah Spellslinger and Priestess are admittedly quite similar although I was going for a glass-canon magic hero compared to a tanky magic hero.
Buying relics on graverobber is quite fun because you don't know what you're gonna get.
Knight is generic yeah he's more of a learn-the-game kinda character.
With the assassin, I wanted the player to go for some sort of silence or stun in order to counter the monsters who can deal with his initial attack speed, but you might be right the boss may need tweaking.
All I know is, Exult needs nerf hammering...
Oh yeah the wraith guy is just there to inflict damage on you so you can't just run away with the game.
Thanks for this detailed response. If you have any ideas on what you'd like to see in future let me know. (Class/Race combinations etc.)
This game is going to become a full release down the line so any suggestions would be most welcome.