Arena Champion (2 Phases)

Beast Companions. The Champion is aided by a Lion and a Tiger, The beasts both have max rolled hit points and can use multi attack for another claw attack per turn

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).

Champs Belt:  The Champion wears a magical belt that grows stronger after each win, this belt allows him a number of magical abilities and legendary actions 

Champions Shield: The Champions belt forms a purple shield over them making them resistant to all damage types, the two beasts will also get shields on being red and one being blue (red resists all physical attacks and blue resists all non physical attacks). When a beast dies its shield will also be Removed from the champion.

Rage of vengeance: When a beast is killed the champion will get a +2 boost to its Str and Dex, the champion will also take the beasts spot in the initiative getting another turn per round

Going all out:  When both beasts are dead  or the champion reaches below half hit points the Champion will move to phase 2 swapping their trident, net and spears out for a Hammer

Multiattack. The champion makes three attacks

Trident. (Phase 1) Melee Weapon Attack: +7 to hit, single target. Hit: 13 (2d8 + 4) piercing damage. 

Trident (Ranged, Phase1) Thrown Weapon Attack: +7 to hit, range 20/60 ft., single target. Hit: 11 (2d6 + 4) piercing damage.

Phase Maul: (Phase 2) This maul has the thrown property and the champion can teleport to wherever the hammer is thrown Melee or Thrown Weapon Attack: +9 (with buffs) to hit, range 20/60 ft, single target. Hit 16 (3d6+6)

Earth Shatter (Phase 2 Recharge 6) The Champion throws his maul in the air and teleports up to it smashing down The initial attack is a regular Maul attack on the target, after the attack hits or misses it will cause a 15ft radius shockwave dealing 5d8 Thunder damage (half on a successful DC 15 con save)

FACE ME COWARD!: The champion can target an enemy causing them to make a DC 15 WIS save on a failed save, the target will take 5 damage for every 5 feet moved away from the champion, Only one target can be affected by the affect at a time

Chain Net (Ranged Phase 1) Thrown Weapon Attack: +7 to hit, range 10/20 ft., single target. Restrains the target, the player will need to pass a DC 13 STR check to escape. Another player can use an action to remove the net or Deal 10 slashing damage (DC 15)

Attack of Opportunity

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.

The Champion has 3 Legendary actions per round

Attack (Cost 1, Any Phase)

Move (Cost 1, Any Phase) move 30 ft towards an enemy without triggering attack of opportunity (sentinel still takes affect)

STOP STANDING AROUND! (Cost 2, Phase 1) The Champion throws his spear in the air, the spear will hover in the air multiplying and targeting where all enemies are currently standing, at the start of the Champions turn the spears will fall down on where the targets where, the spears automatically hits if anything is in the same square the spear targeted. This deals 2d6+4 damage 

GET CLOSER COWARDS! (Cost 2, Phase 2) The champion slams their maul into the ground dragging all players within 30ft 15 ft towards him and fall prone if they fail a DC 16 STR check