Ziel / Zalsehi

Innate Spellcasting. Ziel's spellcasting ability is Charisma (spell save DC 14). They can innately cast the following spells, requiring no material components:

At will: animal friendship (snakes only)
3/day each: poison spray, suggestion

Magic Resistance. Ziel has advantage on saving throws against spells and other magical effects.

Caustic Aura. Each ally of Ziel's within 10 feet of them is imbued with the powers of demonic poison.  Whenever on of their allies hits a creature while within this radius deals an extra 8 (2d8) poison damage to the target.

Fiendlike Prowess. Ziel has advantage on all Charisma Checks and Saving throws they make. Additionally, they have resistance to cold, fire, and lightning damage. 

Poison Affinity. When Ziel deals poison damage, they ignore a creature's resistance to it.

Multiattack. Ziel makes two longsword attacks. If they have their Ophidian Lasher drawn, they can also make an attack with it.

Longsword. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) slashing damage, or 8 (1d10 + 3) slashing damage if used with two hands. Additionally, when a creature is hit by this weapon they must make a DC 15 constitution save or take an extra 8 (2d8) poison damage and be poisoned for a minute, taking half as much damage and not becoming poisoned on a successful save.

Heavy Crossbow. Ranged Weapon Attack: +7 to hit, range 100/400 ft., one target. Hit: 6 (1d10 + 3) piercing damage.

Ophidian Lasher. Melee Weapon Attack: +8 to hit, reach 15 ft., one target. Hit: 10 (3d4 + 3) slashing damage. When a creature is hit with the Ophidian Lasher they must make a DC 15 Constitution save or take 14 (4d6) poison damage and be poisoned for 1minute.