Barkskin. Sharwyn's AC can't be lower than 16.
Special Equipment. Sharwyn has a spellbook that contains the spells listed in her spellcasing trait, plus detect magic and silent image
Spellcasting. Sharwyn is a 1st-level spellcaster. Her spellcasting ability is Int (DC 13, +5 to hit w 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
Tree thrall. If the Gulthias Tree dies, Sharwyn dies 24 hours later.
Dagger. Melee Weapon Attack: +4 to hit, reach 5ft., one target. Hit: 4 (1d4+2) piercing damage