[@Light] Close, probably could of explained the spike thing more but it is actually Morudomunto, an elder dragon from Monster Hunter Explore. I say close guess because supposedly its design was inspired by earlier concept art of Nergigante, though I've never been able to verify that. Shame that Monster Hunter Explore was ended last year. Theme is really good too. 

[youtube]https://www.youtube.com/watch?v=-kkTU31iJ8k[/youtube]