For hc (spraken of d2lod hc player) sorc:
Have 48+ fhr
Have 105+ fcr
Have max fire/light res each difficulty
Have 15%+ dmg red
Have 2 rows filled with full rejs
Play safe. Remember that you can die in each game.
Rather make smaller routes whilst teleporting and only where you see the route instead of telepoeting over walls unless you're endgame geared
Remove merc pole while teleporting mephisto and throne to avond doll deaths