Fire, Iron and Sky Dragon's Roar

Fire, Iron and Sky Dragon's Roar is an unnamed, Dragon Slayer Combination Spell.

Description
Natsu uses Fire Dragon's Roar, Gajeel uses Iron Dragon's Roar and Wendy uses Sky Dragon's Roar. They combine their roars to make them into a large beam of the three elements that explode into a huge explosion. This attack is also powerful enough to push back Acnologia.