Man, in a game like evolve, there are so freaking many variables that it is all but impossible to answer your question. I’ll try.
Mines; After your mines have been exhausted, you have to choose whether to use your mines to protect a high-value target, or get your damage. So this REALLY depends on who is on your team.
For example, if Lazarus is on your team, it can be beneficial to provide a minefield for him to run through mid-fight. Put your mines on a ledge, or around a corner outside of the monster’s line of sight. Remember, if the monster sees you putting down mines, they can destroy your mines before they are armed, so try to place mines outside of the area the monster is fighting in to give them time to arm.
Mines against a Wraith and Kraken are less effective, because mines won’t detonate on warp blast/abduction and Kraken spends too much time flying around. So against these two monsters, you’ll need to gauge how good your trapper is; if your trapper can keep the monster in stasis/harpoons, you can still make use of your mines against these two.
Think fast, think on your feet baby. This is one of those moments where you’ll have to decide for yourself the best course of action, and it will depend on the feedback you get from your monster. As in, if the monster walked into your previous minefield and your teammate knows where to go to escape the monster then, sure, try it again. Ideally, the mines will be in a blind spot where the monster won’t see the mines until it is too late. If you can consistently pull that off, keep going.
Most of my mine formations consist of scattering them around a high value target (Hank, Lazarus) so the monster gets punished for chasing my teammates.
As far as perks, capacity increase all the way. You’ll actually get a pretty good charge out of the lightning gun before it has to reload. I kinda wanna play around with reload speed (my favorite perk for Parnell) because getting personal shields back quicker is soooo freaking handy. The less time the medic has to spend on you the better.
Hope that helped. I’m not the best with Markov, and I still prefer Parnell, but Markov is a lot of fun.