Full points of ice balls or blizzards, full points of meteorites, maximum energy shield points, teleportation plus 1, ice armor points, heating about 10 points, and the remaining ice and fire systems. strengthen.
Be proficient in using teleportation, use mercenaries to avoid ice and fire, or take a detour, get a barbarian mercenary, and get some good equipment for you.
I am now practicing as a level 80 mage. I use a dark gold skeleton knife with 75 resistance, which is very comfortable in hell. This knife was dropped by a mage mini-boss next to the small station on the second floor of Sister An's lair. Sister An will drop a lot of dark gold, so use it frequently if you have nothing to do.