Spellcasting. Grisha is a 6th-level-spellcaster. His spellcasting ability is Wisdom (spell save DC 12, +4 to hit with spell attacks). He has the following cleric spells prepared:
Cantrips (at will): guidance, light, sacred flame, thaumaturgy
1st level (4 slots): cure wounds, divine favor, inflict wounds, protection from evil and good, shield of faith
2nd level (3 slots): continual flame, hold person, magic weapon, spiritual weapon
3rd level (3 slots): bestow curse, dispel magic, spirit guardians
Multiattack. Grisha makes two attacks with his +1 flail.
+1 Flail. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit:7 (1d8 + 3) bludgeoning damage.