Mastery help

FlashSpidey

So i could use some mastery help. I have like 9 points currently. My only thing is I'm afraid to run suicides(I just don't like the idea of losing health while doing nothing though it would probably be very good for my team). What should I put the points into and hiw many if each make a good build?

Unknown

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Thicco_Mode

I would only run one point in dexterity. I also like will power for some heals