Medium humanoid (any race), any alignment
Saving Throws Str +7, Dex +5, Con +6
Skills Athletics +10, Intimidation +5
Senses passive Perception 11
Languages any one language (usually Common)
Challenge 5 (1,800 XP) Proficiency Bonus +3
Traits
Brave. The gladiator has advantage on saving throws against being frightened.
Brute. A melee weapon deals one extra die of its damage when the gladiator hits with it (included in the attack).
Actions
Multiattack. The gladiator makes three melee attacks or two ranged attacks.
Spear. Melee or Ranged Weapon Attack: +7 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 11 (2d6 + 4) piercing damage, or 13 (2d8 + 4) piercing damage if used with two hands to make a melee attack.
Shield Bash. Melee Weapon Attack: +7 to hit, reach 5 ft., one creature. Hit: 9 (2d4 + 4) bludgeoning damage. If the target is a Medium or smaller creature, it must succeed on a DC 15 Strength saving throw or be knocked prone.
Reactions
Parry. The gladiator adds 3 to its AC against one melee attack that would hit it. To do so, the gladiator must see the attacker and be wielding a melee weapon.