Beggars, traders, aristocrats. The secret assassin society does not have a face or a name. People are afraid, and don't even know what they fear.
Assassins use powerful attack abilities combined with low damage swords, dealing damage to their opponents while countering enemy's attacks with retaliation abilities. Ability based class.
Powerful attack abilities, retaliation defense abilities which deal damage to the opponent, balanced defense against abilities and spells.
Lacks heavy weapons, armor and shields, can't use attack spells, dependable on ability damage.