Cecil B. Heimerdinger, The Revered Inventor

Spellcasting. Heimerdinger is a 9th-level spellcaster. His spellcasting ability is Intelligence (spell save DC 18, +10 to hit with spell attacks). Heimerdinger has the following wizard spells prepared which he fires from gadgets he's invented:

Cantrips (at will): fire bolt, mending, light, prestidigitation

1st level (4 slots): detect magic, mage armor, magic missile, shield

2nd level (3 slots): misty step, suggestion

3rd level (3 slots): counterspell, fireball, fly

4th level (3 slots): greater invisibility, ice storm

5th level (1 slot): cone of cold

Hextech Affinity. Heimerdinger may add double his proficiency to any checks pertaining to Hextech and tinkerers tools.

Glamoure. Any creature that holds negative intentions or feelings for Yordles sees Heimerdinger as a normal, if small, human male.

Lucky. When Heimerdinger rolls a 1 on the d20 for an attack roll, ability check, or saving throw, he can reroll the die and must use the new roll.

H-28G Turret Stats. AC 18, 45 hit points, size: tiny. Immune to poison damage, psychic damage, and all conditions. Treat all its ability scores as 10 (+0). If the mending spell is cast on it, it regains 12 (4d6) hit points. It breaks if it is reduced to 0 hit points or after 1 hour. Heimerdinger can dismiss it early as an action.

H-28Q Turret Stats. AC 18, 100 hit points, size: medium. Immune to poison damage, psychic damage, and all conditions, it also has resistance to bludgeoning, piercing, and slashing damage. Treat all its ability scores as 14 (+2). If the mending spell is cast on it, it regains 12 (4d6) hit points. It breaks if it is reduced to 0 hit points or after 1 minute. Heimerdinger can dismiss it early as an action.

Dagger. Melee or Ranged Weapon Attack: +5 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 4 (1d4 + 2) piercing damage.

H-28G Evolution Turret. Heimerdinger deploys a H-28G Evolution Turret at a location 5 ft. from him. Up to 3 H-28G Evolution Turrets can be deployed at a time, and deploying a fourth destroys the oldest one. Ranged Spell Attack: +10 to hit, range 120 ft., one target. Hit: 10 (2d8) force damage. Creatures are pushed 5 ft. away from the turret.

H-28Q Apex Turret (Upgrade!!! only). Ranged Spell Attack: +12 to hit, range 120 ft., one target. Hit: 25 (5d8) force damage. Creatures are pushed 15 ft. away from the turret.

Hextech Micro-Rockets (Recharge 5-6). Heimerdinger unleashes a wave of 5 rockets that converge to a location within 80 ft. of him and fan beyond it in a 40 ft. cone. Up to 5 creatures in that area must make a Dexterity saving throw against Heimerdinger's spell save DC, taking 9 (2d8) force damage per rocket on a failed save or half as much damage on a successful one.

Hextech Rocket Swarm (Upgrade!!! only). Heimerdinger unleashes 4 waves of 5 rockets.

CH-2 Electron Storm Grenade (Recharge 5-6). Heimerdinger hurls a grenade at a location within 40 ft. of him. An explosion shoots out lighting in a 15 ft. radius sphere. creatures in that area must make a Dexterity saving throw against Heimerdinger's spell save DC taking 12 (3d6) lightning damage and bestunned on a failed save or half as much damage and are not stunned on a successful one.

CH-3X Lightning Grenade (Upgrade!!! only). The grenade bounces thrice in 5 ft. intervals. Each bounce effects a 20ft. radius and deals 32 (8d6) lightning damage.

Upgrade!!! (3/Short or Long Rest). Heimerdinger sends an invention into overdrive causing it to exceed its standard capabilities.

Defend Me!! If Heimerdinger is hit by a melee attack while within 10 ft. of one of his turrets, the turret may make an attack against the aggressor.

Heimerdinger can take 2 legendary actions, using the available options below. It can take only one legendary action at a time and only at the end of another creature’s turn. Heimerdinger regains spent legendary actions at the start of its turn.

Cantrip. Heimerdinger casts a cantrip.

It's Smaller Than The Diagram... Heimerdinger creates a H-28G Evolution Turret.

Quick Fix. Heimerdinger heals all turrets within 10 ft. of him for 6 (2d6) hit points.

Fire! (Costs 2 Actions). Heimerdinger directs his turrets to fire at the creatures nearest to them.

 Eureka!! (Costs 2 Actions). Heimerdinger prepares to use Upgrade!!! on an ability.