Shapechanger. Baba Lysaga can use an action to polymorph into a swarm of insects (flies), or back into her true form. While in swarm form, she has a walking speed of 5 feet and a flying speed of 30 feet. Anything she is wearing transforms with her, but nothing she is carrying does.
Blessing of Mother Night. Baba Lysaga is shielded against divination magic, as though protected by a nondetection spell.
Spellcasting. Baba Lysaga is a 16th-level spellcaster. Her spellcasting ability is Intelligence (spell save DC 17, +9 to hit with spell Attacks) Baba Lysaga has the following wizard spells prepared:
Cantrips (at will): acid splash.fire bolt, light, mage hand, prestidigitation
1st level (4 slots): detect magic, magic missile, sleep, witch bolt
2nd level (3 slots): crown of madness, enlarge/reduce, misty step
3rd level (3 slots): dispel magic,fireba/1, lightning bolt
4th level (3 slots): blight, Evard's black tentacles, polymorph
5th level (2 slots): cloudki/1, geas, scrying
6th level (1 slot): programmed illusion, true seeing
7th level (1 slot): finger of death, mirage arcane
8th level (1 slot): power word stun
Multiattack. Baba Lysaga makes three attacks with her
Quarterstaff. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 7 (ld6 + 4) bludgeoning damage, or 8 (ld8 + 4) bludgeoning damage if wielded with two hands.
Summon Swarms of Insects (Recharges after a Short or long Rest). Baba Lysaga summons ld4 swarms of insects. A summoned swarm appears in an unoccupied space within 60 feet of Baba Lysaga and acts as her ally. It remains until it dies or until Baba Lysaga dismisses it as an action