Spellcasting. The tower sage casts one of the following spells, using Intelligence as the spellcasting ability (spell save DC 13):

At will: Dancing Lights, Mage Hand, Prestidigitation

1/day each: Arcane Lock, Burning Hands, Comprehend Languages, Detect Magic, Levitate, Mage Armor

Multiattack. The tower sage makes two Arcane Burst attacks and can use Starry Radiance if available.

Arcane Burst. Melee or Ranged Spell Attack: +5 to hit, reach 5 ft. or range 120 ft., one target. Hit:8 (1d10 + 3) radiant damage.

Starry Radiance (Recharge 5–6). Dazzling light bursts from the tower sage's fingertips in a 15-foot cone. Each creature in that area must succeed on a DC 13 Constitution saving throw or have the blinded condition until the end of the tower sage's next turn.