Questions on combined checks and hiding magic

Keltia is a roleplaying game of exciting adventure set in Dark Age Britain where Arthurian legends and Celtic myths are real.
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Ellmo
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Questions on combined checks and hiding magic

Post by Ellmo » Thu Aug 13, 2015 12:09 am

So I have a couple questions on how you would deal with the following situations as I do not think they are specifically covered in the rules.

First on combined checks. So If multiple people with the same skill want to help each other with a check, like picking up a large log with Strength-Athletics check. would you have everyone involved roll it individually, only one roll it and give them a modifier, Decrease the Threshold of the check by one for everyone able to help? Just curious as to peoples opinions on how to rule this.

Second on hiding magic. So I have a player that wants to play a Mage that hides his magic ability so few know he is capable of it. I have ruled that he can only try to conceal spells that are preparation of action 1 or lower as anything longer than that becomes too obvious. The casting check itself could be a multiple skill check, so stealth and Awen, rolling the check once using the lower of the two skills. I'm not sure if I should allow extending casting time to make the spell easier while still letting it be stealth, my gut says no since it is no longer action 1. Any thoughts on how better to do concealed magic would be great.

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Corone
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Re: Questions on combined checks and hiding magic

Post by Corone » Thu Aug 13, 2015 2:51 pm

Interesting question.
I have a feeling there is something on helping each other,
but I'll have to have a proper look at the book again.

Secret casting is an interesting idea.
Merlin was certainly subtle in most versions so it is in keeping.
While there isn't a lot of waving the arms around, I usually rule casting spells requires you to get in tune with Awen.
So one thing the magician can't avoid is looking as if they are at least thinking or meditating.
But a stealth roll as you are doing sounds a pretty good fit.
I would extend casting time though, if only by 1, as being subtle means taking more time to do it quietly.
Sounds to me like you're doing it right :)

What does the player think?
Do they think you're being fair?
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Ellmo
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Re: Questions on combined checks and hiding magic

Post by Ellmo » Fri Aug 14, 2015 5:55 am

My players haven't had a problem with the ruling. They are usually good about deferring to my judgment whatever it my be because I in turn will always try to incorporate any idea they bring forward.

I have looked several times and still can't find anything in Keltia or Yiggdrasill about helping each other with checks. I may just be missing it but it doesn't seemed to be covered.

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Corone
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Re: Questions on combined checks and hiding magic

Post by Corone » Fri Aug 28, 2015 2:30 pm

I've been having a look for this one and I can't find it.
I was sure I'd seen it but I must be wrong.

So here's my idea for how to do it.

First the GM decides if people can useful help, and if so, how many can.
8 people might lift a log together, only 2 might try kicking in a door together.
Also, not everyone can be useful.
Its helpful for a medic to have someone to pass them bandages, but it isn't going to help them heal the patient any better.

Decide who is the main person doing the task and assign them a difficulty as if they were doing it alone.

The others make a skill roll at difficulty 14 (average).

Those who succeed in the roll get to add half their Success Margin to the result of the main person when they make the roll.

So, Bob is trying to lift a log. The GM tells him its Difficulty 30.
Jane, Maggie and Wulfgar all join in.
They roll against difficulty 14.
Jane fails the roll, Wulfgar rolls a 20 and Maggie rolls 30.
Janes roll adds nothing, Wulfgar adds 3 (half of 6) Maggie adds 8 (half of 16)
So when Bob goes to roll against 30 he can add 11 to his final result.
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Corone
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Re: Questions on combined checks and hiding magic

Post by Corone » Fri Aug 28, 2015 2:49 pm

Or...

I had another thought that might also work.
But for when there is no real 'primary character'
(such as lifting a log - where everyone is contributing equally rahter than helping one person)

You give the task an average difficulty (14) and all participants roll.
However, the GM assigns a 'required success margin'.
Basically, the SMs of all the participants added up must beat the required SM.

So, Bob, Maggie, Jane and Wulfgar are lifting the log again.
The GM tells them the Required SM is 15.
They roll against 14 and get:
Bob - 20 (SM 6)
Maggie - 12 (Fail)
Jane - 22 (SM 8)
Wulfgar - 20 (SM 6)

Adding up the SMs they get a total of 20, beating 15 for a success despite Maggie's fail.
So failure doesn't ruin the task, but does mean that character isn't helping and the others must pick up the slack.
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