That is a big nono Mynt!

If your group member in his mighty SCP is trigger happy with his flares and hits you instead of your enemy, you get full damage.
Thats what friendly fire is, not some, oh noes, my buddy hit me with flares and i have to endure 10% of original flare damage because he loves me and I am his buddy.
Sissy talk.

Well, if you insist.