Barkskin. Sharwyn's AC can't be lower than 16.
Special Equipment. Sharwyn has a spellbook that contains the spells listed in her Spellcasting trait, plus detect magic and silent image.
Tree Thrall. If the Gulthias Tree dies, Sharwyn dies 24 hours later.
Spellcasting. Sharwyn is a 1st-level spellcaster. Her spellcasting ability is Intelligence (spell save DC 13, +5 to hit with spell attacks). She has the following wizard spells prepared:
Cantrips (at will): light, prestidigitation, ray of frost
1st level (2 slots): color spray, magic missile, shield, sleep
Dagger. Melee Weapon Attack: +4, reach 5 ft., one target. Hit:4 (1d4 + 2) piercing damage.