Symbol of Defense along with others

[m4kk1]

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L2J Revision Number: 4514M
L2JDP Revision Number: 7815M

I've browsed, but they only talked about who's giving bonus to. My problem is following - When you do 'bubble', whoever comes inside and gets effects(being pvp flagged) makes you automatically you flagged as well. It makes sense, since you actually buff someone, therefore you also become flagged. It's not supposed to be this way anyway. My question is following - where can I implement in core simple check if skill id is correct, you don't become flagged when buffing flagged one. I've searched with startPvpFlag from l2pcinstance, but nothing came up that I could use. Were looking for line where effect gets applied, found, but couldn't find where it controls if user is purple so i could just restrict it. Any help is appreciated.