So the majority of players are leveling in DDO, and cap play and gear are largely irrelevant:
Now the standard of balance is supposed to be swashbuckler, which at level 15 while leveling non-crits single target for <100, and crits for 500:
THF is twice as powerful as swashbuckler, hitting non-crit multple targets in melee for <200:
An inquisitor is also roughly twice as powerful as a swashbuckler, hitting about twice as fast for the same damage:
Sorcs and Alcs however are off the charts, hitting ranged AoE non-crit for 30x as much as a swashbuckler with weaker spells, or 60x as much with stronger spells (meteor or multivial). This allows sorcs and Alcs to ranged AoE 1 shot groups of mobs, even unbuffed without consumables or ship buffs, like this:
That is Delayed Blast Fireball, hitting for 1d6+7 (10.5) per caster level. An Alchemist multivial hits for 4d6+8 (22) per caster level, and hits more than twice as hard, hitting for >6k AoE non-crit at level 15 on a well built caster. Meteor on a sorc is the same. It doesn't really matter which one you play, both AoE 1 shot groups of mobs while leveling. Sorcs and alcs have about the same crit chance as THF or swashbuckling, but they get 3-6k more damage on a spell at level 15, compared to ~400 more damage on a hit while swashbuckling.
So my question is simple. Is it out of line for a sorc or alc to hit for 3-6k ranged non-crit AoE at level 15 and AoE 1 shot groups of mobs when a melee or ranged of the same level hits for <200 to a few mobs, and swashbuckling which is the standard of balance hits a single mob for <100 non-crit in melee?
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Note: I didn't call out warlocks, because the math shows they don't hit for as many multipliers of swashbuckling as sorcs/alcs. The math shows a warlock at level 15 merely AoEs with Cone for twice the non-crit damage a swashbuckler hits a single target for, and Eldritch Waves AoE for merely 10x the single target damage of a swashbuckler.
Level 15 SE/TS warlock has 4d6 Blast and 7d4 Pact damage base, plus 4d4 pact from TS enhancements, minus 1d4 pact die from cone shape.
Net 4d6 blast and 10d4 pact.
We will use 421 Fire, 234 Force spell power from unbuffed sorc above for calculations.130% spell power scaling yields:
Eldritch cone hits for (4d6)(1+2.34*1.3) + 10d4*(1+4.21*1.3) = 56 + 162 = 218 non-crit
Eldritch wave metamagic maximize/empower hits for 3x [(4d6)(1+(2.34+2.25)*1.3) + 10d4*(1+(4.21+2.25)*1.3)]
=3x [98 + 235] = 999