Grim Harvest (1/Turn). When necromancer kills a creature that is neither a construct nor undead with a spell of 1st level or higher, Phaia regains hit points equal to twice the spell's level, or three times if it is a necromancy spell.
Spellcasting. Phaia is a 12th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 15, +7 to hit with spell attacks). The necromancer has the following wizard spells prepared:
Cantrips (at will): chill touch, dancing lights, mage hand, mending
1st level (4 slots): false life*, mage armor, ray of sickness*
2nd level (3 slots): blindness/deafness*, ray of enfeeblement*, web
3rd level (3 slots): animate dead*, bestow curse*, vampiric touch*
4th level (3 slots): blight*, dimension door, stoneskin
5th level (2 slots): Bigby's hand, cloudkill
6th level (1 slot): circle of death*
*Necromancy spell of 1st level or higher
Withering Touch. Melee Spell Attack: +7 to hit, reach 5 ft., one creature. Hit:5 (2d4) necrotic damage.