The Lightbearer casts one of the following spells, using Wisdom as the spellcasting ability (Spell Save 13, To Hit +5)

Lightbearer.The Lightbearer holds a candle that shine bright even in the darkest of nights. The Lightbearer has a 60ft Radius of bright light around it, and an additional 30ft radius of Dim light.   Searchlight. Any creature that is within the radius of dim light is seen by the Lightbearer unless it is invisible, or otherwise transparent. The Light can be seen through Magical darkness, but does not visibly reveal anything to outside observers.   Extinguished. When the Lightbearer takes cold damage equal to 20, their light goes out and they are blinded until they relight it at the end of their next turn. When activated, the Lightbearer loses his Vulnerability to Cold damage.   Pact Of the Heavenmind. When the Lightbearer reaches 0 hitpoints, it is animated by the will of the Heavenmind and will frenzy in its final moments. The Lightbearer regains its hitpoints and gains access to additional abilities and actions. If the Lightbearer is under the effects of pact of the Heavenmind for one long rest, it will become a zombie.   Fortitude (Frenzy Only). If an attack would reduce the Lightbearer to 0 hit points, it must make a Constitution Saving throw with a DC of 5 + the damage taken unless the damage is from a critical hit. On a success, the Lightbearer drops to 1 hit point instead. The Lightbearer in this state cannot concentrate on any spells.