Couple things:
- I run a capped sorc
- Her name is Torche
- Ask any guildie they know I know my fire damage
- I have SUP POT 6 and SUP fire/ice lore - no skiver yet
Max Fireball dmg to date: 1080HP
Max Scorching Ray dmg to date : 3 x 522 = 1566HP
Max Wall of Fire: 1144HP
Max Cone of Cold: 1293HP
All purple numbers on mobs. Not highest possible, just my personal records.
CONCLUSION: A heightened/maximised fireball or cone of cold into a group of mobs is the best overall damage solution. I make this statement because you must take the mobs to a firewall, but fireball/coc YOU TAKE THE FUN TO THEM!!!