Heelksha

It would work to an extent if you babysat it. The issues are that it will only do the mining obstacle, and it also breaks on one of them, meaning that it will wait until 20% (or whatever % you've set it to) to teleport out and reset. You could babysit it so that it wouldn't sit around for you to be near death, but it would still often do a full loop of the abyss before doing an obstacle. An update is on the way soon, and I've personally decided to just do Law runes via the balloon method while I wait