Fairy tail. 100 years quest, 18

After sealing Friday, the golden divine dragon, only Ignia, the fire divine dragon, remains. Natsu and his companions are one step away from completing the 100-year quest and feel triumphant. But while searching for the fire god's castle, which will lead them to Ignia, they come into contact with Fire & Flame, a strange, dark guild, and the situation escalates dramatically!