Knight

Melee Weapon Attack: +5 to hit, reach 5 ft.. Hit: 10 (2d6 + 3) slashing plus 4 (1d8) radiant damage.

Ranged Weapon Attack: +2 to hit, range 100/400 ft.. Hit: 11 (2d10) piercing plus 4 (1d8) radiant damage.

The knight makes two attacks, using Greatsword or Heavy Crossbow in any combination.

Trigger: The knight is hit by a melee attack roll while holding a weapon. Response: The knight adds 2 to its AC against that attack, possibly causing it to miss.