Achilles

I have that same problem, hate to use heavy weapons except against vehicles. Always worried I will need heavy weapons and will not have the ammo. End up just collect 100 credits when I find it. After playing the game this many times I should not be worried about that.

First playthrough that I have had Widow. Wow, it feels like cheating using it.

One of the coolest looking kills in the game. Shepard - Heavy Incinerate, Jacob - Pull Field and Miranda - Slam on the same merc. It looks like a roman candle going off.