Black Flame Dragon Mode

 

• Exploding Flame Blade of Darkness: After absorbing the flames of Dark Regulus, Natsu can use Eclipse Leo's spell to blast away his opponents by combining his own flames with the dark ones.

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• Darkness Phoenix Blade: An alternate version of Crimson Lotus: Phoenix Blade, Natsu gathers the flames of his Fire Dragon Slayer Magic and the dark flames of Dark Regulus in his hand, and then cloaks his body in the aforementioned flames before rushing at his target of desire.