Fey Ancestry. Windharrow has advantage on saving throws against being charmed, and magic can't put him to sleep.
Spellcasting. Windharrow is an 8th-level spellcaster. His spellcasting ability is Charisma (spell save DC 13, +5 to hit with spell attacks). Windharrow knows the following bard spells:
Cantrips (at will): friends, prestidigitation, vicious mockery
1st level (4 slots): disguise self, dissonant whispers, thunderwave
2nd level (3 slots): invisibility, shatter, silence
3rd level (3 slots): nondetection, sending, tongues
4th level (2 slots): confusion, dimension door
Multiattack. Windharrow makes two melee attacks.
Rapier. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit:7 (1d8 + 3) piercing damage.
An opportunistic half-moon elf rake and bandit formerly known as Harald Grayspear, Windharrow was given his new name by Aerisi Kalinoth. When Aerisi was still with her family, Harald charmed and flattered his way into her favor. When Aerisi ran away from home to become the air prophet, she took Windharrow with her.