You call this a guide?
Drop Bears, pretty simple challenge while in a WG match of any type you need to get 3 Assassinations.
Dominator, for this challenge you need to win 2 games in the Dominion playlist. This is a 6v6 playlist
I am not sure if I should be offended or grateful at this point. Most of them are so obvious that you just turn description into longer sentences LOL At least give us advise on how about doing it, tactics/maps/loadout...