User name: DmitriNoir
Name of Ability?
Siren Song
Ability Effects:
Debuff (500) Rank 5
--Ongoing (100) Rank 1
--Indirect (400) Rank 4
--Affects Multiple (250) Rank 5
--Limited (-100) Rank 2
--Concentration (-250) Rank 5
Descriptor: “There is, one knows not what sweet mystery about this sea, whose gently awful stirrings seem to speak of some hidden soul beneath...”
--Herman Melville
Dmitri, gifted with the sirenic ability to pluck at the deepest parts of a man's soul with his words, can put enemies in thrall even after he has closed his mouth (Debuff, Ongoing)--to the lengths of even freezing entirely defenseless (no countereffect) enemies in their tracks or make others agree to his subtle suggestions without them knowing it. Siren language, however, requires its speakers to infuse their words with the melodies of the ocean--in essence, sing (Limited); and like with most songs, must rhyme (Concentration). This renders the user quite engrossed in concentration and would hence be vulnerable for the duration of the song.
The songs reverberates, at most 100-feet, through the air around the user, targetting all of those whom the user identifies as foes (Affects Multiple). Though targets might have coverings on their ears (or might not have ears, per se), the ethereal vibrations would linger and would still serve to slow enemies' movements considerably (Indirect).
Essence Cost: 900
Staff Edit: A few changes are needed before this can be approved.
First of all, you can't choose to take different ranks of different Modifiers in the way you have written this. Modifier costs are based on the rank of the Effect they Modify. And even if you could do that, your description doesn't give any explanation for why these Modifiers should be the ranks you've given them.
It's possible that reading the description of Affects Multiple may have led to your confusion, as it can be taken additional times at increasing costs in order to get a wider range... and we write these additional purchases of the same Modifier as a number written beside the Modifier in the Effects list, just as we would with the rank of an Effect.
That brings me into my second point, though. Affects Multiple is 50 Essence per rank of the Effect being modified, so for 250 Essence on a Debuff 5 Effect like this, that would only get you a single instance of the Modifier, which means you would be restricted to an area 20 ft wide. And that's diameter, not radius.
If you wanted to affect everyone within 100 ft of your character, as you've said in the description, that would require Affects Multiple 10, which would cost 500 Essence per rank of Effect being modified. So for a rank 5 Effect like your Debuff here, the Affects Multiple Modifier alone would cost 2500 Essence.
Lastly, you should put a very brief (one or two words, ideally) description of a Limited Modifier in the Effects list when taking that Modifier. This is so that people can get a vague impression at a glance of how your Ability functions without having to trawl through the description. Most Modifiers don't need tags in the Effect list, but some do, like Limited & Weakness.
Here is an example of how you could write this Ability's Effect list if you want it to work the way you have described:
Debuff (500) Rank 5
--Ongoing (500)
--Indirect (500)
--Affects Multiple 10 (2500)
--Limited (singing) (-250)
--Concentration (-250)
Total: 3500
Please re-submit the Ability purchase form after making whatever changes you would like.