Well, technically a mage will do more DPS because their skill is a "one hit big damage" kind of thing, while archer skills are more "one hit small damage, but skill continues to do damage", which is DoT. And when an archer draws aggro, it's mainly because of our DoT, while when a mage draws aggro, it's because of high damage and skill spam (archers ... can't really skill spam >__<)
On modification, yeah, Outspark should be able to modify things like KQ times, rewards, quests, what is allowed in the game, but they can't really add new stuff unless it's already available in BK o-o