Yeah it helps if you actually tell us you're problem. So lets start off with the basics.
1. are you using hacks and if so are you using skill? and not using wall?
2. Are you using a char with good aoes?
3. Are you lvl 90 trying to do a A run?
im a lvl 93 aloken trying too do B skill hacks yes i normaly turn walls off learned that the hard way. but should i stand in a better place i do it and fail solo.