Yo sorry I'll write this in English because I'm French and we're talking about the disaster that is currently my hand with innocence.
So yes disaster is still viable in terms of "clear" is very average or ridiculous, but you have to play under giant apple and ventus.
In terms of damage boss is one of the class with the most damage but cons must invest money on this character in terms of stuff 5 * asd, +2 Attack / attacked with a gear +10 minimum to be
to be in the top dmg raid (other than nova empreror)
I send you my bar that I use in DJ you can replace ambusace (30 mp) by Obivlion.