: Natsu struggles against Leo 's Dark Regulus magic, which allows Leo to absorb and manipulate darkness and flames. However, Natsu manages to consume Leo's dark flames, allowing him to enter Black Fire Dragon Mode .
: This is part of the Eclipse Celestial Spirits Arc , an anime-exclusive filler story. Stai guardando FairyTailS2 Ep 39 SUB ITA
: Even with Leo defeated, the ritual does not stop. It is revealed that Ophiuchus , the Serpent Bearer, is the true mastermind behind the ongoing ceremony. Key Context for Viewers : Natsu struggles against Leo 's Dark Regulus