Name: Matto 

Race: Demon 

Age: 20 

Also known as: Dragon sin of wrath, womanizer, Little pervert, Alcoholic, bar owner 

Looks...

Personality: A man of culture, friendly, does tend to be positive and cheerful person., Pervert due to Meliodas teasing him to do those things.. When he tends to be serious, he finish the fight faster...  If he goes his demon form, his attitude is similar to Bully Maguire...

Skills: 

Master Swordsman 

Master Hand to hand combat

Expert Spell user

Little good at cooking but not Emiya Level 

Highly Intelligent

Master at flirting to women 

Master Boob groper: Got teach By Meliodas to do those things... 

Savage Roasting at opponents  

Black air force activity/energy due to demon form

Physical Attributes:

Note he's 50x Physically stronger and faster than Meliodas... 

Super Strength: By base power alone can destroy a mountain by using a twig of a plant, by shockwave of his sword can redrawn maps if he uses his power incorrectly... 

Super Speed: He is Mftl+ when training his speed with Meliodas but at start he's casual Lighting speed and timer...

Enhanced Durability: He tanked blows when ganged of by 10 commandments who he got cut off and injured his arm...

Immortality/ Resurrection: Even he doesn't have the curse, it looks like he had a gamer mentality... He can return back to life every time he died...

Immense Stamina: No need to mention...

High Resistant to Poison: Drank a mixture of Wolfsbane, Belladonna, Tiger Beetle and Henbane Leaf and lived...

Heightened Senses

Flight: Using demon mark form...

Fear Aura: When using Assault form, he looses his emotion and memories to the point the enemies put in fear...

Zenkai Boost: Boost his power 10x to 15z when he trains with Meliodas or Learn any move... Or by massive injuries can boost his power when reviving by just 15x...

Precognition: Able to predict enemies even they are faster or stronger than him.

Temperature Resistance

Resistant to holy weapons

Biology Manipulation

Soul Manipulation

Power level:

Demon Mark: 8x Multiplier 

Assault Form: 25x Multiplier

True Magic Form: 55x Multiplier

Base power: 32,500

Demon Mark: 260,000

Post Training:325,000

Demon Mark Post Training: 2,600,000

Post Heavy training: 3,250,000

Demon Mark: 26,000,000

Assault form: 81,250,000

True Magic Form: 178,750,000

Equipment: 

Knight Armor: 

-75% Damage reduction/Immunity

-Increase 25x counter ability like full counter, counter vanish, revenge counter...

-100% Savage 

- Conceptual weightless

- Immune to conceptual attacks such as concept of death, concepts to kill immortal, and many more

- Immune to elemental attacks only brute force can work

- Can regenerate of repair the armor if he had enough power left

Weapons:

Sacred Treasure: Lostvayne

Special Ability: Jitsuzō Bunshin「実像分身じつぞうぶんしん, literally meaning "Physical Clone"」: Lostvayne's special ability that allows Meliodas to create up to four or six clones of himself. The clones only retain a fraction of the original's power, with one clone having half the power level of the original. The halved power level is divided among each additional clone. Each Physical Clone is still able to use to its full potential as the attack focuses on the enemy's attack power rather than the one using Full Counter. This allows Meliodas to use Full Counter multiple times on the same attack. Depending on the enemy and Meliodas's power level, it is additionally possible for him to use his clones to fight the enemy as well as dealing and taking damage without Meliodas himself getting involved in the fray...

Excalibur Morgan: Due to black pitch or jet black appearance of the sword because of his demon powers, it turn into black and red looking like a corrupted weapon, by unsealing 12 seals, it can beat Sefar who can destroy stars and planet... It can enhanced even further by demonic power...

Techniques: 

Full Counter: Can deflect magic and physical damage whatever aimed at them, this time, he can deflect 20x up to 50x if he honed his skills... He doesn't have the drawback of limit he using thing time and

Variations:

Counter Vanish「カウンターバニッシュ, Kauntā Banisshu」: With his palm facing an incoming attack, Meliodas folds his thumb and little finger. He then, rather than reflecting "magic" attacks, completely disperses the attacks used against him.

Revenge Counter「リベンジ・カウンター, Ribenji Kauntā」: Meliodas turns off his abilities so that he can take damage. After Meliodas has taken enough damage, he charges his blade with power and strikes his enemy with it. This is considered to be Meliodas' ultimate attack. When Meliodas used Revenge Counter against , Gowther stated that he had a survival chance of 0.2%. 

Hellblaze is a dark power connected to the darkness of the . It allows the user to generate and control black flames that cannot be extinguished. In addition to its immensely devastating power, the flames also nullify any regenerative abilities including that of an immortal.

In battle, Hellblaze can be imbued upon weapons through an Enchant: Hellblaze「付呪エンチャント・「獄炎ヘルブレイズ」, Enchanto: Herubureizu」 spell to drastically increase their destructive potential, hurled as fireballs at an opponent or used in hand-to-hand combat.

Variations:

Kami Chigiri「神かみ千斬ちぎり, Kami Chigiri; literally meaning "Divine Thousand Slashes"」: A powerful attack that requires Meliodas to heighten his power and senses to the utmost limit. Black flames engulf his sword as he leaps into the air. He then performs a powerful slash that hurls the flames in a single, ruinous attack.

Trillion Dark「トリリオン・ダーク, Toririon Dāku」: Meliodas launches a barrage of small spheres of high concentrated darkness at the opponent.

Shiden Issen「紫電しでん一閃いっせん, Shiden Issen; literally meaning "Purple Lightning Slash"」: Meliodas slashes mulitple opponents several times with his sword in an instant...

Dark Prominence「暗黒星ダークプロミネンス, Dāku Purominensu; literally meaning "Dark Star"」: Meliodas infuses his sword with the power of darkness and performs a powerful slash...

Spells:

hado 90: kurohitsugi/Black Coffin: Even without full incantation, it can kill opponents easily, at full, the power and gravity is even greater than a black hole...

Supernova: Just launching a supernova if he needs to...

Meteor: Just throw rocks at enemies...

Commandments: Due having true magic form...

Faith: 

Anyone who shows a lack of faith will have their eyes set ablaze.

Love

Anyone who holds hatred in their heart will be unable to afflict harm on anyone else.

Pacifism

Anyone who kills will rapidly have their own time stolen away, causing them to rapidly age and die.

Patience

Anyone who shows intolerance of pain will be inflicted with further pain.

Piety

Anyone who shows their back to the wielder will become an obedient slave of the Demon King and by extension, the commandment's holder.

Purity

Anyone who conducts impure deeds will be inflicted with illness.

Repose

Anyone who fights without rest will get their sealed away.

Reticence

Anyone who expresses hidden feeling and/or emotions will be rendered unable to speak.

Selflessness「無む欲よく, Muyoku」

Anyone who holds desire from another person will lose their memories, emotions, and sense of self.

Truth

Anyone who lies or goes back on their word will be petrified into stone.

Forms: 

Demon mark form...

Assault form:

true magic/demon king form....

Themes:

That's all...