Okay, so I'm trying to come up with a system/scenario where the main characters can summon spirits and aid said character in battle. However, in certain scenarios, she will become unable to summon spirits to aid her because of the pressence of other humans, so, to make up for this, the spirits will let her inherit any of their skills that they currently have in their possession. And she can turn on/off these inherited skills at anytime.
Sorta like the Demon Whisper from SMT4 but instead of being able to do it only once, you can do it as many times as you want.
I hope there exists a script that does this.
And I hope I explained this well enough.