Actions

Multiattack Volker makes two attacks with his Pure Ore Saber, attacks once with his Arbalest or drinks one of his many potions.
Pure Ore Saber (+2/+2) Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 1d8+4 slashing damage. If Volker misses an attack, he has Advantage on the next attack made against the same target before the end of his next turn.
Poison Mist Enchantment Coat the weapon and make an attack. Melee Weapon Attack: +7 to hit, reach 5ft., one target. Hit: 1d8+4 slashing damage plus 2d6 poison damage. The target must succeed a DC 16 CON Save or be Poisoned.
Arbalest Ranged Weapon Attack: +5 to hit, range 80/300 ft., one target. Hit: 2d6+2 piercing damage.
Potion of Speed (1x) For 10 turns, Volker gains the benefits of the Haste spell: +2 to AC, target's speed is doubled, it has Advantage on Dex Saves and +1 Action.
Potion of Flying (1x) For 1 hour, Volker has a Flying Speed as well.
Potion of Invulnerability (1x) For 1 min, Volker has Resistance to all damage types.
Potion of Superior Healing (2x) Heal 8d4+8 HP.
Scroll of Storm Sphere (1x) Conc up to 1 min, Range = 150 ft., AOE sphere r=20ft. Each creature in the area when the sphere appears ot that ends its turn there, must succeed a DC 15 STR Save or take 2d6 bludgeoning damage. The area in the space is difficult terrain.
Scroll of Fireball (1x) Range = 150 ft., AOE sphere radius = 20 ft., DEX Save DC 15. Fail = 8d6 fire dmg, Suc = 1/2 dmg.

Bonus Actions

Scroll of Storm Sphere (when activated) Make a Ranged Spell attack within 60 ft. of the Sphere ( 1d20+7 ), if target is in Sphere you have Advantage. On a hit, deal 4d6 lightning damage.

Reactions

Carrian Retalliation (Shield) As a Reaction to being hit with a ranged or melee spell attack, you can swing the shield to dispel the magical attack. You reduce the damage of the attack by 1d10+3 and can retaliate with summoned glintblades by making three ranged spell attacks using your Intelligence modifier against any creature within 30 ft. of you. ( 1d20+7 ) The glintblades deals 1d6+4 force damage on a hit (see Enchanting).

Usual Tactics

t1: Drink Potion of Speed, use additional action to drink Potion of Invulnerability. t2: Cast Scroll of Storm Sphere, drink Potion of Flying, use sphere's lighting bolt. t3: Attack using any means necessary.