The battles are intended to be a repeatable challenge, in which early experience provides rewards that enable improved performance on subsequent runs.
Originally Posted by scithen
It's fine if that doesn't appeal to you -- you can then profitably spend your time on more enjoyable aspects of the game. If you want to skip them but still finish the epics, then you'd only need to run them once, when called for in the storyline. (As long as you wait out the battle until its end, you'll get epic quest credit, if little else.)
They *could* make it so that any competent player can easily beat all battle challenges on their first try, but then it wouldn't be very compelling as a repeatable challenge.
For myself -- up to a point, I enjoy repeatables. When I fail, I think through what happened and try something different next time. When that thought process yields improved results, that's a nice feeling. (When it doesn't .... well, back to the drawing board.)
As you've already noticed, even when starting with 0 points, you can end up with a handful to put into new skills. If you make any effort at all on the 5 battles in the Epic questline, you should finish them with maybe 20 points. More importantly, you'll have experience with each battle, allowing you to avoid some rookie mistakes. So you'll get further on the next run, resulting in more points to spend. A virtuous cycle.
That process appeals to many players, but not all, so feel free to skip it. But if you do decide to go further with it, I think most people would say the Engineer line is a good one to level up while you're learning some strategies.
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