Indomitable . Exatos has advantage on saving throws against being charmed and paralyzed. 

Powerful Build: You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift.

Artisan Body. Exatos has Resistance against poison, and rolls on advantage against poison-related attacks and saving throws.

Spellcasting. Exatos is a 5th-level spellcaster. His spellcasting ability is Intelligence (spell save DC 13, +6 to hit with spell attacks). He requires no somatic or material components to cast his spells. Exatos has the following wizard spells prepared:

Cantrip (at will): mage hand, thaumaturgy, ray of frost

1st level (4 slots): comprehend languages, shield, magic missile, [Tooltip Not Found]

2nd level (3 slots): blindness/deafness, detect thoughts, ray of enfeeblement 

3rd level (2 slot): bestow curse, vampiric touch, 

Multiattack. Exatos makes three melee attacks, or two two-handed melee attacks.

Longsword. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (1d8 + 7) slashing damage, or 12 (1d10 + 7) slashing damage if used with two hands to make a melee attack.

Unarmed Strike. Melee Weapon Attack: +7 to hit, reach 5 ft., one creature. Hit: 6 (1d4 + 4) bludgeoning damage. If the target is a Medium or smaller creature, it must succeed on a DC 15 Strength saving throw or be knocked prone.

Exatos can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. Exatos regains spent legendary actions at the start of its turn.

Ancient Power (Costs 2 Actions). Exatos regains a Level 1 Spell Slot.

Unarmed Attack. Exatos makes an Unarmed Attack.

Dark Shift. Exatos immediately moves up to 30 ft. Opportunity attacks have disadvantage against Exatos when used against this move.