Goodman Games

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I "let" players roll damage against them, but they are not allowed to use Luck to modify those rolls.

But I don't think that using Luck to modify attack rolls against you would break the game. Luck use has its own built-in balance mechanism - your Luck is now lower than it was. This decreases your chances of succeeding in a Luck check, which can also have dire consequences.

Also, use of Luck would not negate a natural 20, any more than you could use Luck to make a lower roll into a natural 20.

I've not ever experienced animosity from my players in 44 years of running games. That doesn't mean that letting them roll is a bad idea, but if your players are angry or feeling slighted by DM combat roles, there are other problems going on.

Passive-aggressive insults aren't useful. You post with animosity here, but swear there's none at your table. The internet is for the haters.

huh? I'm confused, why did you edit your post out?