Classification: Human wizard, Dragon Slayer
Threat level: Tiger- || Tiger || Tiger+ || Tiger+ || Demon- || Demon+ || Dragon-
Age: 400+ (Biogically he is only 18 [current], but he was born 400 years ago)
Power and Abilities: Superhuman Physical Characteristics, Expert Hand-to-Hand Combatant, Magic User, Fire Manipulation, High Resistance to natural and magical flames, can change the quaity of his flame and use it as a rope, Absorption of Fire based attacks to heal or boost himself, Absorption of different elements (This takes excessive toll on his body though), Enhanced Hearing and Smell. Transformation. Ligntning manipulation, Power Nullification ("Burned" through Brain's Genisis Zero, Sting's stigma that was immobilizing his body, Demaria's TIme Magic [This one is argueable], Zeref's death magic)
Physical strength: Building level striking (Destroyed the half of Hargeon's port in Chapter1). At least City block+ level striking (Broke through Iron Dragon scales of Gajeel). Multi block+ level striking (His strikes damaged Laxus) || Town level striking (Headbutted and defeated Brain) || City (Headbutted and defeated Hades with Crimson Lotus: Exploding Lightning Blade) || At least Town+ (His strikes damaged Sting and Rogue) || At least City (Considerably stronger than his pre timeskip LFD mode) || Mountain level striking (Superior to base Mard Geer Tartaros) || At least Island+ level striking
Attack potency/Destructive capacity: At least City block (As strong as Gray). Multi block (Defeated Laxus with help). At least Multi block+ (Defeated Erik) || Town (Defeated Brian. His magic power was increased 3 times his original) || City (Put up a better fight than Makarov against Hades) || At least Town+ (Overpowered both Sting and Rogue Unison Raid with a single roar while both of them were using Dragon Force. Consumed Dragon Atlas flames and damaged Moltherglare) || Atleast City (Considerably stronger than his pre timeskip version) || Mountain (Overpowered base Mard Geer Tartaros. Fought on par with his Ehterious form with Gray Fullbuster) || At least island+ (strong enough to hurt Zeref and go through Dimaria's magic)
Durability: At least City block+ (Tooks several hits from Gajeel). Multi block (Tanked Laxus Dragon roar directly) || Town || City (Passed through Hades "Nemisis" spell without any injury) || At least Town+ (Took hits from both Sting and Rogue while both were using Dragon Force) || At least City (Considerably stronger than his base) || Mountain (Took attacks from Mard Geer Tartaros) || At least island+
Speed: At least Supersonic+ (Faster than Happy) || Hypersonic (His magic power was increased 3 times his original) || Massively Hypersonic (Recieved Laxus lightning and his magic) || At least Hypersonic (Was able to tag Dragon Force Sting and Rogue, even blitzing them) || At least Massively Hypersonic || At least Massively Hypersonic (Fought on par with Mard Geer Tartaros) || Massively Hypersonic+ with sub-relativistic reaction speed (Fought Zeref neck to neck. Should be above most of the verse via scaling)
Intelligence: Low. Natsu is notably under average intelligence, however he is an experienced fighter.
Stamina: High. Can stand heavy physical exercise for hours at least.
Range: Atleast Tens of Meters. Several kilometers with magic.
Weakness: Extreme motion sickness (Even thinking about transportation makes him sick, every Dragon Slayer has this weakness). Eating kinds of magic that aren't fire can temporarily give him a power boost but will make him sick in the long-run. Usually Reckless, due to which he can be caught off-guard. Damaging the book of END causes damage to him, also apparently killing his creater Zeref will also cause his death
Standard equipment: Enchanted scarf, Nakama power (Nakama power only applies with in-series PIS)
Key: Pre Timeskip Base || Pre Timeskip Dragon Force || Pre Timeskip LFD Mode || Post Timeskip Base || Post Timeskip LFD Mode || Post Timeskip Dragon Force || Post Second Timeskip