Even for a fire/air/crit/damage build there is a lot to be gained from doing a tour of all the other elements. Just because you can roll through a lot of long cooldowns. Staff as an example, but scepter/x can do it just as well:
Air – stun (if mob is moving), AE blind, single target knockback. This is all support
Water – AE chill and large damage vuln attack. Heals also if necessary
Earth – blind, AE massive bleed, single target immobilize with damage and bleed, personal projectile reflect
As long as you have 20+ in arcance, by the time you roll through all of that, you can get back to fire and all of your cooldowns besides meteor shower are back up. I usually do a tour of the elements right after putting fire #2 and #3 on cooldown. The above is more damage and much more support than fireball spam and one extra lava font. Chill is a massive DPS drop for most mobs.
An element up/down button that could be bound to the scroll wheel would be great for a lot of people if you could define the order in which the elements scroll. It would also mimic the next/prev weapon function in a lot of shooters.
Example:
I’m in fire. Mouse wheel up gets me water, mouse wheel down gets me earth. If I really want air, I can hit F3 or the a bind I’ve set.
As it is, I keep F1 for fire, and have 3 Naga side buttons defined for water/air/earth. But it doesn’t flow as well a “next weapon” setup would
Charr looks horrible when running with swiftness up. We need to 4-leg all the time when out of combat