No crafting recipe found in this mod's data. It may be obtained through gameplay mechanics not yet documented here.
Crafting using Dragonforge Fire Brick, Dragonforge Fire Brick, Dragonforge Fire Brick, Dragonforge Fire Brick, Fire Dragon Heart, Dragonforge Fire Brick, Dragonforge Fire Brick, Dragonforge Fire Brick and Dragonforge Fire Brick, arranged in the pattern shown. Produces Dragonforge Fire Core.
Crafting 
Crafting using Fire Dragon Heart and Paper, in any arrangement. Produces Banner Pattern.
Crafting ⇆ any arrangement 
Banner Pattern guaranteed
iceandfire:fire_dragon_hearticeandfireiceandfireiceandfire:items/dragon_hearts