Inheritance of Extras

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Nephilpal
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Inheritance of Extras

Postby Nephilpal » Thu Jun 30, 2005 11:42 am

If I have super-strength (duration permanent by default) with leaping (duration instant by default) and protection (duration permanent by default) as extras, and then take the innate extra for super-strength, do valid sub-powers (i.e. protection) inherit that innate, or must I buy it separately for them?

One of my fellow players alleges that every sub-power inherits valid extras from its parent power. I countered that this is not a benefit listed on page 56, wherein the effects of "nested" power seem to be exclusively defined as the following:

1) Sub-powers cost 1 pp less per rank to purchase.
2) Use of the drain power against a parent power simultaneously drains ranks from all sub-powers.

I also pointed out that it would be possible to gain disproportionate benefit from broadly-appllicable extras if they are inherited by placing them in a root power. For instance, applying the Duration extra to an Energy Field that also has the Energy Blast extra would then provide an Energy Blast with a duration of concentration as well as providing a damaging field that endures even while unconscious.

So, ultimately, how does the inheritance of extras work?
Do you:

1) Have to purchase the same extra multiple times if you wish it to apply to sub-powers taken as extras.

or

2) Purchase of an extra applies that extra to all valid sub-powers.

Thank you for clarifying this.

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Steve Kenson
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Re: Inheritance of Extras

Postby Steve Kenson » Mon Jul 11, 2005 8:25 am

Nephilpal wrote:If I have super-strength (duration permanent by default) with leaping (duration instant by default) and protection (duration permanent by default) as extras, and then take the innate extra for super-strength, do valid sub-powers (i.e. protection) inherit that innate, or must I buy it separately for them?

... and right here is a reason why extras don't work this way in M&M 2e. :roll:

I generally recommend that sub-powers (as you put it) don't "inherit" extras, although in some cases you can say an extra "floats," allowing it to apply to any one sub-power at a time. This is a bit more complex, but also a little more flexible.

As I mentioned, M&M 2e eliminates this problem altogether.
Steve Kenson - steve@greenronin.com
Green Ronin Publishing


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