A few ideas:
He should have an ice attack (honestly i didnt see any boss/very hard monster with ice type attack)
He can also have the ghost in his behind like Thamuz has. (I can do this :P)
Maybe he should have attacks like the pyrodemon, two rounds of three ice balls and one great ice ball that explodes and creates mini-ice missiles.
And maybe an ice breath attack, who knows...
BTW, Hectic are all baronofhell-related monsters your favourites?
Your avatar is from south park, i think he was satan with his terrorist "lover".
Very good ideas Delacroix, an ice themed boss is a great idea.
Yeah, the Hell Knight/Baron of Hell monsters are my favorite, I have almost all of the ones from the Beastiary with a random spawner.
And your are right about my avatar.
WOW! I love the sprites, what program did u use to make them?
It's just a recolor of a Pyro Demon, I used XWE to recolor them, and slightly modify the monster's face on side sprites.
I love this, can I put this in a map I'm making? I like it, but I think it should make some more noise...
You may, but you may like to wait until the monster is finished. You may put Hectic also, I updated it with some new sounds.