Yep, it is "luck of the draw", and the default hero brain, while very good at gathering diamonds, does tend to be vulnerable to the "assassin" roles. Eventuall

Yep, it is "luck of the draw", and the default hero brain, while very good at gathering diamonds, does tend to be vulnerable to the "assassin" roles. Eventually we'd like to add a slightly smarter matchmaking system (assign users to games based on some sort of performance ranking perhaps?), but for now it's very possible to end up on a less-than-stellar team.