Thanee said:
It's the same way the Ready action works. In fact, the exact text is copied from the Ready action (and just altered to fit in the sentence).
I think it should mean, that if you have moved during your last action, then you cannot perform the 5-ft. step.
Bye
Thanee
Perfect, thanks

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RigaMortus2 said:
All 5 foot step is really trying to simulate it the small movements one does in combat, such as circling opponents.
Yes, and when one person makes a small movement, the other person also makes a small movement in response. If you circle me, I might counter-circle you (at the very least, I rotate to face you). If you step back, I step forward after you.
If it still doesn't make sense, then imagine this IRL: two swordsmen locked in mortal combat, trading blows. One of them gets thirsty, and wants to drink some water. So he steps back to get a safe distance from his opponent, then pulls out a bottle of water and drinks. His opponent just stands still, not following the thirsty fencer.
The above scenario is completely absurd. What would really happen, of course, is that the second fencer would simply step forward at the same time the first steps back. The current rules simulate this well enough with the withdraw action (since it takes a full round action, and the enemy can just follow on his action), but fails miserably with the 5' step.
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Infiniti2000 said:
I have a hard time believing that someone can even cast a spell. If I'm willing to put my imagination to work, it should be to create a game that's fun with a modicum of realism. For more realism, you'll need another system. If the houserule works for you, go for it, but you are changing a significant part of the rules for the wrong reason IMO. In other words, if you claim to adopt this houserule in the name of realism, you've got A HUGE amount of work to do to really obtain your realism in D&D. GFL.
I'm not trying to make a perfectly realistic game. But the above scenario is completely absurd, and makes it hard to really 'put myself there' (as opposed to feeling like I'm playing a boardgame). That is what makes the game fun for me. If all it takes is one extremely minor change to make the game that much more 'real' feeling, then yes, I will do it.
I get the feeling that you only oppose this house rule because, in your experience, you have used the 5' step heavily to your own advantage. If that is the case, you would have nothing to fear (were you my player), since as a DM it's my job to make adventures that are achievable by the players (albiet challenging). Obviously the rules have to be factored into that equation.