Burdug

Special Equipment. Burdug has 3 vials of Alchemist's Fire.

Aggressive. As a Bonus Action, Burdug may move up to its speed toward a hostile creature that it can see.

Gruumsh's Fury. Burdug deals an extra 4 (1d8) damage when it hits with a weapon attack.

Spellcasting. Burdug is a 3rd-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 11, +3 to hit with spell attacks). Burdug has following Cleric spells prepared:

Cantrips (at will): Guidance, Resistance, Thaumaturgy

1st level (4 slots): Bless, Command

2nd level (2 Slots): Augury, Spiritual Weapon (Spear)

Spear. Melee or Ranged Weapon Attack: +5 to hit, reach 5 ft. or range 20/60ft., 1 target. Hit: 11 (1d6 + 3 plus 1d8) piercing damage, or 12 (1d8 + 3 plus 1d8) piercing damage if used with two hands to make a melee attack. 

Alchemist's Fire. Ranged Weapon Attack: +5 to hit, range 20ft., 1 target. Hit: 2 (1d4) fire damage. On the start of each of the affected creatures turns the target takes an additional 2 (1d4) fire damage. The creature can end this damage by making a DC 10 Dexterity check to extinguish the flames.