Ban Cordiz

Assassinate. During its first turn, the assassin has advantage on attack rolls against any creature that hasn't taken a turn. Any hit the assassin scores against a surprised creature is a critical hit.

Evasion. If the assassin is subjected to an effect that allows it to make a Dexterity saving throw to take only half damage, the assassin instead takes no damage if it succeeds on the saving throw, and only half damage if it fails.

Sneak Attack. Once per turn, the assassin deals an extra 14 (4d6) damage when it hits a target with a weapon attack and has advantage on the attack roll, or when the target is within 5 feet of an ally of the assassin that isn't incapacitated and the assassin doesn't have disadvantage on the attack roll.

Multiattack. Ban Cordiz makes combined Rapier and dagger attacks.

Rapier. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 3) piercing damage, and the target must make a DC 15 Constitution saving throw, taking 24 (7d6) poison damage on a failed save, or half as much damage on a successful one.

Dagger. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 6 (1d4 + 3) piercing damage, and the target must make a DC 15 Constitution saving throw, taking 24 (7d6) poison damage on a failed save, or half as much damage on a successful one.

Ban Cordiz is a free lance assassin but is mainly perceived as an agent for the Zhentarim. In reality he is nominal member of the Harpers and uses his cover as a Zhentarim agent to sow discord within the Black Network and to manipulate others to aid him in misdirecting Zhentarim operations. In addition to his real name Cordiz is also known as the Dark Blade and in the city of Loudwater he  takes on the identity of a local noble named Lord Julius who has close contacts to the High Lord of the city who is a Zhentarim puppet so that he can keep close watch on the criminal organizations operations. Cordiz has a strong personal code in regards who he will contract to assassinate.