User blog comment:Ion Eduard Andrei/Monstrous nightmare vs Thunder drum/@comment-3117252-20140702044715/@comment-24018437-20140702065643

Seeing how Nightmares are land-based Dragons, do you realy think they can beat a Tidal Class Dragon in the water?

Thunderdrums are actully stronger then Nightmares. And just because Hookfang was able to throw Toothless away, doesn't mean he can throw away a Thunderdrum.

The Thunderdrum may have no Wing blast, but its sonic roar is much more powerfull. Besides, Thunderdrums are capabel of breathing powerfull blue fire.

All in all, the Thunderdrum has the advantage.