Zealous Priest (4/day). The Aeillan War Priest may as a bonus action attack with its War Hammer when using an attack action. 

Consuming Zeal (1/day). The Aeillan War Priest may, if rolling for fire or thunder damage elect to do maximum damage instead.

Spellcasting. The Aeillan War Priest is a 10th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 16, +8 to hit with spell attacks). The War Priest has following cleric spells prepared:
Cantrips (at will): Sacred Flame, Guidance, Toll the Dead, Bless
1st level (4 slots): Cure Wounds, Searing Smite, Thunderous Smite, Healing Word
2nd level (3 slots): Magic Weapon, Spiritual Weapon, Lesser Restoration
3rd level (3 slots): Fireball, Mass Healing Word, Revivify
4th level (3 slots): Banishment, Fire Shield
5th level (2 slots): Destructive Wave, Flame Strike

Multiattack. The Aeillan War Priest makes two attacks with its War Hammer. 

War Hammer. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d8 + 2) bludgeoning damage.