Quote Originally Posted by Eul View Post
My stats still not enough to do rank 3 mission...
Congrats. Do you mean the risky missions? Those with the buffs as rewards?

You just need to meet two of the three requirements (skip the one with 500+), which should be easy. Then you will have a decent chance at comleting them successfully.
I'd have to check to be sure, but I think even at Level 50 I don't reach the 500+ requirement.