I think a color would be useful for a good PC ( purple , gold?)
Anyway, if it's os (it's the case I guess), XX arms at least, c'ant tell exactly how much as I'm not an expert of defenders, but at least 2 guys here are, I hope they gonna give their advice soon :p
ÉDIT: my bad didn't see insc
Then, if blue it's 10-30e or so