When Draco and Eva appeared above them, the Dragons sensed their presence and gathered. Ever since they had been deposited in the Inner Universe they had slept or explored the universe around them idly, passively absorbing the great energy here.
So even though they remained in soul form, their souls were almost three to four times stronger than before. Those Dragons could even use some elementary shouts in this form, which was unprecedented.
When all hundred or so souls gathered, the place was filled with elemental energy and dragon force. Draco inspected all the souls and nodded his head with satisfaction.
"Fellow dragonkin, you have waited long enough. Soon, we shall revive you all and grant you physical bodies, then incorporate you into our world." Draco announced, which made these old fellows excited.
"We'll follow any arrangements of Lord Black Dragon!" Paarthurnax, the strongest of them and the nominal leader, responded with respect.
