What frustrates me about the Arena matching is something different...the types of players. I generally see 2:

1) players (often like myself) that create god-awful teams to so they can complete the 2 missions.

2) players that create OP teams for "testing".

Personally, I don't like the Arena. I wanna get my 2 missions done, and leave. I'm often embarassed about making terrible teams, but it's what the missions require of me, so I make the best of it with the ninja I have. But most of the time, it takes over an hour (sometimes 2-3) to get through it. It seems like more and more players use the Training section to showcase their competitive teams--teams I couldn't beat even WITHOUT the mission constraints.

The result is, both the Ranked section and Training section are used competitively, making the activity unplayable for those of us just trying to get Activity/Arena Points.

My suggestion:

Either create a 3rd section for getting points...maybe give it an AI opponent,

OR

restrict Training battles to players that satisfy at least 1 mission requirement.

OR

give a non-buff penalty to players that don't satisfy mission requirements: --1 requirement met: all ninja acupunctured for the 1st round; --no requirements met: all ninja chaosed for the 1st round.

But do you ignore the fact that there are others who want to finish the missions? If I see the same person multiple times, I know that they are trying to do their missions. If you figure out that your opponent is trying to do missions but you don't want to help them just because you are trying to brag/try out your team/bored or any other reasons, then you should listen to the people here instead of thinking about yourself.