The Ember Protector. Once per turn, Abel can deal an extra 14 (4d6) fire damage to a creature it hits with a weapon attack if that creature is within 5 feet of an ally of Abel that isn’t incapacitated.

Boon of the Fire Soul:  Abel has immunity to fire damage. He can also cast burning hands (save DC 15) at will, without using a spell slot or any components.

Indomitable (3/Day). Abel rerolls a failed saving throw.

Action Surge: You can take one additional action on your turn. This can be used 1 times per short rest.

Know Your Enemy: If you spend at least 1 minute observing or interacting with another creature outside combat, you can learn information about its capabilities compared to your own: Strength score, Dexterity score, Constitution score, Armor Class, current HP, total class levels (if any), fighter class levels (if any)

Commanding Presence: When you make an Intimidation, Performance or Persuasion check, you can expend one superiority die and add the superiority die to the ability check.

Tactical Assessment: When you make an Investigation, History or Insight check, you can expend one superiority die and add the superiority die to the ability check.

Superiority Dice (5/Short Rest): 1D10

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Abel can cast these spells, his save DC is 16:

At will: burning hands, control flames, create bonfire, fire bolt, guidance, spare the dying

1/day each: bane, false life, feather fall

Multiattack. Abel makes three melee attacks. Alternatively, he can make two ranged attacks with his javelins.

Longsword. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 4) slashing damage, or 8 (1d10 + 4) slashing damage if used with two hands.

Shield Bash. Melee Weapon Attack: +9 to hit, reach 5 ft., one creature. Hit: 5 (1d4 + 4) bludgeoning damage. If the target is Large or smaller, it must succeed on a DC 14 Strength saving throw or be knocked prone.

Javelin. Melee or Ranged Weapon Attack: +9 to hit, reach 5 ft. or range 30/120 ft., one target. Hit: 6 (1d6 + 4) piercing damage.

Leadership (Recharges after a Short or Long Rest). For 1 minute, Abel can utter a special command or warning whenever a nonhostile creature that it can see within 30 feet of him makes an attack roll or a saving throw. The creature can add a d4 to its roll provided it can hear and understand Abel. A creature can benefit from only one Leadership die at a time. This effect ends if Abel is incapacitated.

Second Wind (Recharges after a Short or Long Rest). As a bonus action Abel can regain 20 hit points.

Commanders Strike: When you take the Attack action on your turn, you can forgo one of your attacks and use a bonus action to direct an ally that can see and hear you to strike using its reaction, adding the superiority die (1d10) to the damage roll.

Feinting Attack: You can expend one superiority die (1d10) and use a bonus action on your turn to add the total to the damage roll and to gain advantage on your next attack roll against a chosen creature within 5 ft. this turn.

Rally: On your turn, you can use a bonus action and expend one superiority die to grant a friendly creature who can see or hear you temp HP equal to the superiority die roll +2.

Parry. Abel adds 3 to his AC against one melee attack that would hit him. To do so, the Abel must see the attacker and be wielding a melee weapon.

Interception: When a creature you can see hits a target, other than you, within 5 ft. of you with an attack, you can use your reaction to reduce the damage the target takes by 1d10+4 (to a minimum of 0 damage). You must be wielding a shield or a simple or martial weapon to use this reaction.