Beginner Wizard Questions

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1. I understand that you can ghetto quad kite with pillar of fire at 16, provided you have JBoots or SoW pots. Is this true and any recommendations on zone progression?

2. Is soloing levels 1-15 possible? I assume you are single target rooting and nuking, which strikes me as the most inefficient way possible to kill a mob in EQ.

2. I would like to understand better how to play a Wizard in a group environment.. By that I mean levels 1-49ish grouping, not so much Seb or whatever. Do I use a big nuke at 70%? Save big nukes for emergency situations and pepper in a bunch of small nukes? Don't nuke at all and just chain stun mobs and snare runners? If so, what about zones with no caster mobs? Do I still chain stun?