BTN is slowly becomming my main class, i actually really enjoying playing it. somtimes when i'm walking along there is a mob blocking my way, so i have to skillfully work my way around it to get to where i want to be.

This to me is fun, skillfully navigating the battlefield to collect my ingreadance.

Does DoL need Sneak/Invis?

Sure in some cases it's not possable to navigate your way past the mob or there is simply too many to make it possible and this feature will come in handy.

What if i could Stealth up and run around at full speed or faster for an unlimited/limited time?

Where this may not seem to be a game changer to some, I think it would be. All that will be left is the BTN mini game, and i sure to "some" that will be seem as a unessary obsticle too ^^.

Stelth up and move walking speed?

I'd be happy with this or walking speed + x% would work for me too.

Duration & Cooldown?

Not unlimited Duration, Walk, run or whatever this wouldn't be good. Cooldown not instant and not too long, somwhere between 20-30 seconds would be fine.

What actions can be performed while in Stelth mode?

Simple answer for me, None.