Origins: Dies Irae

Alias/Aka: Mercury Serpent, Mercury, Karl Krafft, Karl Ernst Krafft, Alessandro Cagliostro

Classification: Hadou God, LDO member number 13

Threat level: Nova || Omega+

Age: At least several tredecillion years old, possibly even older (Has lived through the universe's lifespan decillions of times from his own memory, but even he doesn't know how many times he's reset the universe)

Gender: Male

Powers and abilities: Superhuman Physical Characteristics, Magic, Reality Warping, Intangibility (Sensories bodies are made of "complete nothingness", making most if not all conventional attacks just pass through him), Enhanced Senses, Extrasensory Perception, Soul Manipulation and Immunity to it (Mercurius’ sensories lack souls), Immortality (Types 1, 5 and 9), Telepathy, Mind Manipulation, Dimensional BFR, Can travel to other dimensions (Including Marie's world, the Twilight Beach, which exists outside of even the Throne itself), Can make attacks "vanish" from existence, Matter Manipulation (Transmuted parts of Reinhard's castle/Briah to create a sword and fight Ren with), Possesses incredible willpower, Durability Negation, Immunity to natural poisons and diseases, Resistance to Magic, Mental, Spatial, Temporal and Conceptual attacks | Some of the previous abilities in addition to Immortality (Types 3, 4 and 10), Law Manipulation, Conceptual Manipulation, Causality Manipulation, Space-Time Manipulation, Probability Manipulation, Nonexistence Manipulation, Regeneration (True-Godly), Acausality, Information Manipulation, Telekinesis, Teleportation, Gravity Manipulation, Abstract Existence, Non-Corporeal, Cosmic Awareness, Nigh-Omniscience, Nigh-Omnipresence (Full Omnipresence in his own territory), Summoning (Can summon the Physical Manifestation of his Law), and able to manifest avatars in order to interact outside the Throne.

Physical strength: Metaverse level (with his attacks, Spem metus sepuitur, Disce Libens, he destroyed infinite universes. Was able to create a cross of stars spanning the entire multiverse and tank attacks from Reinhard in his Atziluth)

Attack potency/Destructive capacity: Star level (Stopped a Longinus attack from a bloodlusted Reinhard) || Metaverse+ (A hegemony god with a Taikyoku of 90 making him one of the strongest in the series. A Hegemony god with 1 Taikyoku considers the. Throne but a tool for the projection of his Atziluth. Expanded the time axis infinitely into past, present and future with his mere presence in the Throne. Destroyed the Throne as an aftermath on his fight with Reinhard)

Durability: Star level (Stopped a Longinus attack from a bloodlusted Reinhard) || Metaverse+ (Tanked the attacks from Reinhard and Fuji Ren)

Speed: At least FTL, likely FTL+ (Easily kept up with Ren in their small fight, should be comparable to Reinhard) || Irrelevant (His true body exists in the Throne which is a place above all dimensions where the concept of time doesn't exist)

Intelligence: Nigh-Omniscient

Stamina: Limitless

Range: At least several kilometers (Created a replica of the Shamballa that he destroyed and, in turn, all seven of the eight swastikas that were laid out and created during Kei's Route, should be comparable to Reinhard) || Metaverse lvl+

Weaknesses: Obsessed with Marie, and is willing to do anything to be with her.

Standard equipment: None notable

Key: Sensory || True Selfj

Noteworthy Techniques and Abilities