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John Carter, Warlord of Barsoom, Prince of Helium

John Carter, Warlord of Barsoom, Prince of Helium
  • Alias: Warlord of Barsoom, Prince of Helium
  • Gender: Male
  • Race: Human
  • Occupation: Former Confederate cavalry officer, Adventurer, Warrior
  • Religion: No specific religious affiliation
  • Allies: Tars Tarkas (Thark Chieftain), Dejah Thoris (Princess of Helium), Kantos Kan (Captain of the Guard), Sola (Thark warrior)
  • Enemies: Sab Than (Warlord of Zodanga), Tal Hajus (Thark Warlord), Matai Shang (Thern leader)
  • Abode/Base of Operations: Helium, the capital city of Barsoom
  • Nationality: American (Earth)
  • Languages: English, Barsoomian
  • Alignment: Lawful Good
  • Affiliation(s): Helium, Red Martians
  • Significant others: Dejah Thoris (Love interest, later wife)

John Carter is a remarkable and charismatic figure, known for his extraordinary exploits and legendary feats. With a background as a former Confederate cavalry officer during the American Civil War, he finds himself transported to the mysterious planet of Barsoom (Mars) through a strange cosmic phenomenon.

In this alien world, John Carter discovers that the lower gravity gives him incredible strength and agility, surpassing the physical abilities of the native inhabitants. This newfound power, coupled with his combat experience and unwavering determination, propels him into the center of a complex and turbulent conflict that engulfs the planet.

Physically, John Carter is a tall and muscular man with a rugged appearance. He stands at around 6 feet in height, with a strong and athletic build. His sun-kissed skin has a bronzed complexion, a testament to his time spent under the Martian sun. Carter has piercing blue eyes that reflect his determination and unwavering spirit. His dark hair, often slightly tousled, falls just above his shoulders, framing his chiseled features.

He is often seen wearing a simple yet practical attire, suited for adventure and combat. Carter dons a sleeveless leather tunic, allowing freedom of movement for his powerful arms. His trousers are made of durable fabric, tucked into sturdy leather boots that have seen their fair share of journeys across the Red Planet. Across his chest, he wears a leather harness, holding various weapons and tools necessary for survival in the harsh Martian landscape.

Despite his rugged appearance, there is an undeniable air of nobility and charisma about John Carter. His presence commands attention, exuding confidence and a sense of purpose. He carries himself with the grace of a seasoned warrior, his movements fluid and calculated. The scars that mar his body tell tales of countless battles fought and won, serving as a testament to his indomitable spirit and unwavering dedication to justice.

Driven by a strong sense of honor and justice, John Carter becomes deeply entangled in the power struggles and wars that plague Barsoom. He allies himself with various factions and indigenous peoples, earning their respect and trust through his remarkable combat prowess and unwavering loyalty. Despite being a stranger in this foreign world, he quickly adapts to its customs and embraces the warrior spirit that defines Barsoom’s inhabitants.

Throughout his journey, John Carter seeks to restore peace to Barsoom, protect its inhabitants from tyranny, and unravel the secrets that bind him to this distant planet. He encounters a wide array of adversaries, from ruthless warlords to enigmatic beings, but his indomitable spirit and unyielding determination push him forward, always striving to make a difference in the lives of those he has come to care for.

As he navigates the treacherous landscapes of Barsoom and battles against formidable foes, John Carter discovers his own purpose and identity, embracing his role as a hero and protector. With each victory, he inches closer to uncovering the truth behind his extraordinary journey and finding a place where he truly belongs.

John Carter of Barsoom

John Carter, Warlord of Barsoom, Prince of Helium

Medium humanoid (human), chaotic good

Armor Class 18 (leather armor) Hit Points 150 (20d8 + 60) Speed 40 ft.

STR 20 (+5) DEX 16 (+3) CON 18 (+4) INT 12 (+1) WIS 14 (+2) CHA 16 (+3)

Saving Throws Str +10, Dex +7, Con +8 Skills Athletics +10, Perception +6, Survival +6 Senses passive Perception 16 Languages Common, Thark

Challenge 12 (8,400 XP)

Legendary Resistance (3/Day). If John Carter fails a saving throw, he can choose to succeed instead.

Unyielding Will. John Carter has advantage on saving throws against being charmed or frightened.


  • Multiattack. John Carter makes two attacks: one with his longsword and one with his Thark Warblade.
  • Longsword. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 10 (1d8 + 5) slashing damage.
  • Thark Warblade. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 11 (1d10 + 5) slashing damage.
  • Mars Leap (Recharge 5-6). John Carter magically jumps up to 30 feet into the air and can make one melee attack during the jump. If the attack hits, it deals an additional 10 (2d6 + 3) slashing damage.

Legendary Actions

John Carter can take 3 legendary actions, choosing from the options below. Only one legendary action can be used at a time, and only at the end of another creature’s turn. John Carter regains spent legendary actions at the start of his turn.

Inspiring Presence. John Carter grants allies within 30 feet advantage on their next attack roll or saving throw. Second Wind. John Carter regains 1d10 + 8 hit points. Warrior’s Focus. John Carter gains a +2 bonus to his next attack roll.


  • Leather Armor
  • Longsword
  • Thark Warblade
  • Amulet of Mars (Allows John Carter to cast Jump and Feather Fall once per day)


John Carter
Cover of A Princess of Mars by Edgar Rice Burroughs, published by McClurg.

John Carter is a tall and athletic man with a strong build, featuring well-defined muscles earned through his adventures on Barsoom. He wears lightweight leather armor, allowing him to move swiftly and quietly. His longsword, finely crafted with a gleaming blade, and the Thark Warblade, an exotic weapon from his time among the Tharks, are his trusted companions.

With a rugged face adorned by a neatly trimmed beard, John Carter’s piercing gray eyes hold the wisdom of a seasoned warrior. His demeanor exudes a mix of confidence, compassion, and a sense of honor. A natural leader, John Carter possesses a strong sense of justice and a relentless desire to protect the people of Barsoom from various threats.

Having been transported to the planet Barsoom from Earth, John Carter swiftly adapted to his new surroundings, becoming a skilled swordsman and a respected warrior. He is driven by a deep love for his princess, Dejah Thoris, and a commitment to defending the people and civilizations of Barsoom from the conflicts and wars that plague the planet.

John Carter’s agility, combat prowess, and his ability to perform incredible leaps make him a formidable opponent in battle. He possesses a keen intellect and a warrior’s instinct, always strategizing and finding ways to overcome obstacles. With his unwavering loyalty and indomitable spirit, John Carter is a beacon of hope and a symbol of heroism on the world of Barsoom.

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