Bias. Has disadvantage with attack rolls against Galsaer.

Focused: Has advantage on saves to retain concentration.

Dual-wielder: Can wield both corporate pistol and a steel dagger at the same time.

Trance. You don’t need to sleep, and magic can’t put you to sleep. You can finish a long rest in 4 hours if you spend those hours in a trancelike meditation, during which you retain consciousness.

Spellcasting. The [monster name] is a 4-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 16, +8 to hit with spell attacks). Wrelyn has following wizard spells prepared:

Cantrips (at will): Lightning Lure, Mending, True Strike, Mind Sliver.

1st level (10 slots): False life, Snare, Mage Armor, Sleep, Charm Person, Magic Missile.

2nd level (7 slots): Invisiblity, Darkness, Hold Person, Vortex Warp, Shatter, Dragons Breath, Suggestion.

3rd level (5 slots): Antagonize, Counterspell, Summon Shadowspawn, Thunderstep, Lightning Bolt, Dispel Magic.

4th level (3 slots): Polymorph, Confusion, Storm Sphere, Elemental Bane

5th level (2 slot): Dominate Person, Steel Wind Strike

Multiattack: Can either cast 2 spells and attack with 1 weapon, or cast 1 spell and attack with 2 weapons.

Dagger. Melee Weapon Attack: +2 to hit, reach 5 ft., 1 target. Hit: 2 (1d4) piercing damage.

Pistol. RangedWeapon Attack: +2 to hit, range 30/120 ft., 1 target. Hit: 3 (1d6) lightning damage.

Great study (5 uses) : Can be used when casting a spell with concentration. Upon use, the spell cast doesn't use concentration, and instead just lasts for half of the listed duration time.