Corrupted Bard

Detect Sane Life. The Boss can magically sense the presence of any sane sentient creatures up to 5 miles away that aren’t undead or constructs. He knows the general direction they’re in but not their exact locations.

Jack Of  All Trades. The Boss adds an additional +1 to any ability checks they make that they are not already proficient in.

Incorporeal Movement. The Boss can move through other creatures and objects as if they were difficult terrain. He takes 5 (1d10) force damage if she ends His turn inside an object.

Spellcasting. The Boss is a 9th-Level spell caster. Its spellcasting ability is Charisma (spell save DC 15, +7 to hit with spell attacks). It has the following spells prepared.

Cantrips (at will): eldritch blast, minor illusion, vicious mockery

1/day each:  Armor of agathys (4th level), greater invisibility, hold person, Spirit guardians, legend lore, major image

3/day each: charm person, detect magic, faerie fire, healing word (2nd level)

Corrupting Touch. Melee Spell Attack: +4 to hit, reach 5 ft., one target. Hit: 12 (3d6 + 2) psychic damage.

Horrifying Visage. Each non-undead creature within 60 feet of the Boss that can see him must succeed on a DC 13 Wisdom saving throw or be frightened for 1 minute. A frightened target can repeat the saving throw at the end of each of its turns, with disadvantage if the Boss is within line of sight, ending the effect on itself on a success. If a target’s saving throw is successful or the effect ends for it, the target is immune to the Boss’s Horrifying Visage for the next 24 hours.

Screech(1/Day). The banshee releases a psychic screech, provided that he isn’t in sunlight. This screech has no effect on constructs and undead. All other creatures within 30 feet of her that can hear him must make a DC 13 Constitution saving throw. On a failure, a creature drops to 0 hit points. On a success, a creature takes 10 (3d6) psychic damage.

Song of Eternal Rest (1/day) . The Boss can perform a song as an action. Any hostile entity within 60 feet who hears the song takes 5 (2d4) Psychic damage. The Boss than regains hitpoints equal to half the amount of damage dealt

Bardic Inspiration. (4/rest). One creature (other than the Boss) that the Boss can see within 60 feet gains a d8 bardic inspiration die. The creature can add the bardic inspiration die to one attack roll, ability check, or saving throw it makes within the next 10 minutes.