Spellcasting.

The firefist is a 9th-level Boros spellcaster. Its spellcasting ability is Wisdom (spell save DC 14, +6 to hit with spell attacks). It has the following cleric spells prepared:

Cantrips (at will): fire bolt, light, sacred flame, spare the dying
1st level (4 slots): guiding bolt, healing word, heroism, shield of faith
2nd level (3 slots): lesser restoration, scorching ray
3rd level (3 slots): blinding smite, crusader's mantle, revivify
4th level (3 slots): banishment, wall of fire
5th level (1 slot): flame strike

Actions

Multiattack.

The firefist makes two greatsword attacks.

Greatsword.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) slashing damage.

Reactions

Guided Attack (Recharges after a Short or Long Rest).

When the firefist or one creature it can see within 30 feet of it makes an attack roll, the firefist grants a +10 bonus to that roll.

Firefist