My favorite thing to do in this game is experiment with different classes and builds, and see how far I can take them. With that said, there is currently a major wall that limits the ability to do this: monolith corruption.
Clearing the story and unlocking empowered monoliths is fairly straightforward, and levels your character up quite well. Increasing monolith corruption, on the other hand, takes FOREVER. This isn’t due to being unable to handle the content: it is just the mindless grind of clearing tons of monoliths to increase corruption by 5-15 every 30 or so runs. I really dislike this aspect, because you have to clear hundreds of monoliths with zero challenge before you get to the ones that are actually risky/challenging for your build.
I’m curious if there are any plans to add account-wide catch-up features or anything, akin to the catch-up mechanic that already exists for single characters? Arena basically has this via the memory keys: you can go as high as you can handle instantly.