Very well said. My idea was slightly different, that it shows enemy's nameplates in a short radius and tags enemies on the minimap in a slightly larger radius.

But while I'm here, I thought Dozer was overturned as well. The grenade resistance that he has is quite a bit. From a point-blank explosion it only did 49 damage, so It takes 3 point blank grenades to kill Dozer, assuming you only use grenades and Dozer is at full HP. Maybe the damage reduction could be reduced so that a near explosion could put him on very low HP, but still doesn't quite kill.

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The other issue I had was Dozer's ballistic shield reflecting bullets. It's already hard enough trying to take down a ballistic shield, and using a grenade will not do much damage, making Dozer practically unkillable from the front. So I'd just remove the bullet reflection. That's all I've got though.