1. Caraxes. Caraxes the Blood Wyrm is ridden by Prince Daemon Targaryen (Matt Smith), brother of King Viserys. Caraxes is described as a "formidable huge blood-red " dragon who is "fearsome and battle savvy".
1/10 STRONGEST: ACNOLOGIA
The most powerful Dragon Slayer of the original era that started the storylines we see today, Acnologia was a mage who forgot what it meant to be human.
A Great Wyrm or an Ancient Dragon is a sub-species of a normal wyrm and is the most powerful type of dragon. A Great Wyrm can even control all the natural elements and fire.
Though his power was weak against that of a water dragon such as Mercuphobia, Ignia was strong enough set Mercuphobia's city of Elmina ablaze, and his fire could burn water. It is likely that he shares the exact same powers and techniques as Igneel and Natsu, but on a much greater scale.
1/10 Acnologia Is The Self-Proclaimed Dragon King
Since his attribute was Magic itself, Acnologia was nearly invincible. Human barely stood a chance against him and were terrified by the mere mention of his name. Acnologia killed nearly all the other Dragons in the world as a testament to his great power.
Mard Geer and Igneel both suspect that Acnologia is afraid of END.
Shenlong, "god dragon" or "divine dragon", s a spiritual dragon from Chinese mythology who is the master of storms and also a bringer of rain. He is of equal significance to other creatures such as Tianlong, the celestial dragon.
The Dragonslayer Armour's only 2 weaknesses (besides that of being an abyssal creature) are frost and strike damage, making Vordt's Great Hammer, which does both, an optimal choice for annihilating this armor.
Rogue Cheney is the Shadow Dragon of Sabertooth's Twin Dragons and one of Fiore's strongest Mages. Originally sent from the past to assist the other Dragon Slayers in defeating Acnologia.
Vhagar, almost two centuries old and the strongest dragon alive, took a fatal bite out of Arrax, killing him and his young rider Prince Lucerys "Luke" Velaryon (Elliot Grihault).
Balerion - Ridden by Aegon the Conqueror
Named after an ancient god of the Valyrian Freehold, Balerion was born in Valyria and was one of the dragons that Aenar Targaryen brought with him when he fled to Peyredragon to survive the Doom of Valyria. He was ultimately the last dragon to see the Freehold at its peak.
In Chinese mythology, Longwang (龍王) lords over the seas and is known as the “Dragon King.” He is a fearsome guardian deity who controls all dragons, sea creatures, the oceans, and the weather. Although he has a temper, Longwang is seen as a symbol of good fortune and the mythological embodiment of the concept of yang.
Five Great Dragon Kings
The Five Dragon Kings are Tiamat, Yu-Long, Vritra, Midgardsormr, and Fafnir. Tannin was also one of the Dragon Kings before leaving and joining the Devils.
The first dragon myths appear with the Sumerian legends of the god-mother Tiamat who transforms herself into a legged, horned serpent, and of the snake Zu who steals the law tablets. Dragons appear in Chinese and Indian legends in about 2700 B.C., and in Egypt a creation myth describes the dragon Apep.
Red dragons are the largest and most powerful of the classic chromatic dragons.
A lion would win a fight against a Komodo dragon.
There are stories of dragonslayers using an axe or even a club to dispatch the fiery beasts, but a knight will typically use a sword.
One year after losing his arm to Igneel, Acnologia accepts Zeref's proposal to meet, and does so at an undisclosed rocky terrain, albeit in his human form instead of as a Dragon.
Lucille is the daughter of Acnologia and Celeste the dragons.
Acnologia's relentless hatred for the dragons led him to countless bloodshed and murder. His hatred for all dragons only amplified after seeing Sonya being killed. With the overuse of his Dragon Slayer Magic corrupting him, Acnologia physically turned into a dragon and proclaimed himself to be the Dragon King.