Converting Monsters from Dungeon Magazine

That said, I'd be willing to consider spell level-based saves if Shade prefers them too.

That's probably a good idea, since they are Sp abilities. Still, they should get a bonus for more mice involved.

Although if we do use a save DC based on the number of mice we should really cap the DC, otherwise hundred-strong groups of Spectramice will be phantasmal killing everything in sight...

Good point! Cap it at 8 mice?
 

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That's probably a good idea, since they are Sp abilities. Still, they should get a bonus for more mice involved.

Well I've cunningly fixed the numbers so the number of mice equals required twice the spell level, so if we give them a bonus of +1 DC per +2 mice then the final number will end up the same. We might as well make it all mouse-number related so the DM doesn't have to look up the spell level.

Good point! Cap it at 8 mice?

I was thinking a nice round dozen, which could explain why that's the largest group size.
 

The misi had an Su ability, not an Sp one. If it's an Sp ability, the DCs really are supposed to be based on spell level. I'd be ok with an additional bonus based on mice (+1 per 2 or 3 mice). That's like a racial bonus more or less.

But if you want to include number of mice, maybe you want to make it an Su ability.
 

The misi had an Su ability, not an Sp one. If it's an Sp ability, the DCs really are supposed to be based on spell level. I'd be ok with an additional bonus based on mice (+1 per 2 or 3 mice). That's like a racial bonus more or less.

I like this approach, and I'm fairly certain we've used a similar approach before.
 

The misi had an Su ability, not an Sp one. If it's an Sp ability, the DCs really are supposed to be based on spell level. I'd be ok with an additional bonus based on mice (+1 per 2 or 3 mice). That's like a racial bonus more or less.

But if you want to include number of mice, maybe you want to make it an Su ability.

If we do make it Su, a spectramouse wouldn't need Concentration to prevent caster interruption, unless we add some text saying the power is prone to being interrupted like a SLA. If we did that, it makes it a bit pointless turning it into a (Su) power.

I'd rather keep it Sp and change the description to something like "The spell level of the illusion equals half the number of contributing spectramice (maximum 6th), giving the spell a DC equal to 10 plus 1/2 the number of mice (maximum 12 mice) plus the highest Charisma modifier among the contributing spectramice."

There are a number of Sp powers which specify level-equivalents (mostly summon powers), so we have some precedent. Maybe the spectramice have something resembling the Heighten Spell feat?
 

The ones that specify level equivalents are all unique Sp abilities as far as I know. Why not just do this? Also, I think "audible glamer" is probably ghost sound. Yes, I know it's a bit fiddly, but it's closer to standard mechanics. I'm also willing to drop the circumstance bonus.

Illusions (Sp): Spectramice can create illusions as at-will spell-like abilities. A group of spectramice can cooperate to produce more powerful illusions. To contribute to a cooperative illusion, a spectramouse must take a standard action and be within 30 ft. of all the other spectramice in the group casting the spell. Interrupting a spectramouse from casting a cooperative illusion will only prevent the spell from being successfully cast if it reduced the number of spectramice in the group to less than the minimum number required to cast the spell (see below). The DC of the spell equals 10 plus spell level in the group plus the highest Charisma modifier among the contributing spectramice plus a circumstance bonus equal to the number of spectramice contributing beyond the minimal number. The spell-like ability can originate from any mouse in the group.

A single spectramouse can create a ghost sound or disguise self spell-like ability (as the spells). It can use disguise self to appear as a giant mouse or dire rat up to 1 foot tall and 3 feet long (not including tail).

Two or more spectramice can create a silent image spell-like ability.

Four or more spectramice can create a minor image spell-like ability.

Six or more spectramice can create a major image spell-like ability.

Eight or more spectramice can create a phantasmal killer spell-like ability.
 

The ones that specify level equivalents are all unique Sp abilities as far as I know. Why not just do this? Also, I think "audible glamer" is probably ghost sound. Yes, I know it's a bit fiddly, but it's closer to standard mechanics. I'm also willing to drop the circumstance bonus.

Funny, I thought I'd already converted audible glamer to ghost sound.

Illusions (Sp): Spectramice can create illusions as at-will spell-like abilities. A group of spectramice can cooperate to produce more powerful illusions. To contribute to a cooperative illusion, a spectramouse must take a standard action and be within 30 ft. of all the other spectramice in the group casting the spell. Interrupting a spectramouse from casting a cooperative illusion will only prevent the spell from being successfully cast if it reduced the number of spectramice in the group to less than the minimum number required to cast the spell (see below). The DC of the spell equals 10 plus spell level in the group plus the highest Charisma modifier among the contributing spectramice plus a circumstance bonus equal to the number of spectramice contributing beyond the minimal number. The spell-like ability can originate from any mouse in the group.

That doesn't define what the "in the group" of "spell level in the group" means. Also, the bonus should be +1 per two mice and probably have a cap.

Something like: "The DC of the spell equals 10, plus the spell level, plus the Charisma bonus of the spectramouse with the highest Charisma in the group, plus a circumstance bonus of +1 for every two additional spectramice above the minimal number needed to cast the spell (maximum circumstance bonus +4)."
 

Funny, I don't know how that "in the group" got there. But that reduced circumstance bonus looks fine. Unless we want to change to a racial bonus. ;)
 



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